further more (furthermore)

'Furthermore' is the one-word adverb used to add or emphasize another point. Writing it as 'further more' (two words) is almost always incorrect when you mean 'in addition' or 'moreover'.

Below: clear rules, punctuation tips, quick fixes, many ready-to-use rewrites for work, school, and casual contexts, plus memory tricks and similar split-compound traps.

Quick answer

'Furthermore' (one word) = 'in addition' / 'moreover'. Do not write 'further more' when you mean a transition. If you mean 'an additional amount', rewrite the sentence instead of forcing 'further more'.

'Furthermore' is a conjunctive adverb used to link clauses or add a point.
When starting a sentence with 'Furthermore', follow it with a comma in formal writing: 'Furthermore, ...'.
In casual notes prefer 'also' or 'besides' if 'furthermore' sounds stiff.

Core explanation: one word, single function

'Furthermore' signals addition or reinforcement between clauses (synonyms: in addition, moreover). Splitting it into 'further more' treats 'further' and 'more' as separate modifiers and usually yields awkward or incorrect phrasing.

Use 'furthermore' to connect independent clauses or to introduce an extra point: 'The study was flawed; furthermore, the sample size was small.'
If you mean quantity (for example, 'more research'), use 'more' or 'further' with a noun - do not force 'further more'.

Grammar & punctuation: placement and commas

'Furthermore' is a conjunctive adverb. When it links two independent clauses, use a semicolon or period before it and a comma after it.

Correct: "We missed the deadline; furthermore, the client requested a refund."
Also correct: "We missed the deadline. Furthermore, the client requested a refund."
Avoid: "Further more, the client..." - that splits the adverb and looks wrong.

Punctuation rule: Use "Furthermore, ..." at the start of a clause in formal writing; after a semicolon, include the comma: "; furthermore, ...".
Informal: Dropping the comma is readable in casual notes ("Furthermore the app is slow"), but be consistent.

Hyphenation, spacing & quick tests

Do not hyphenate 'furthermore' (not 'further-more') and do not split it into two words when used as a transition. A fast habit: search your draft for the two-word phrase 'further more'.

Search/replace "further more" → "furthermore" when it's functioning as a connector.
If you intended quantity, rewrite: use 'more', 'additional', or 'further' + noun (e.g., 'more evidence', 'further study').
Keep related checks: 'anymore' vs 'any more' and 'nevertheless' (not 'never the less').

Spacing-wrong: Wrong: "Further more reports are required."
Spacing-correct: Better: "More reports are required." or "Furthermore, additional reports are required."

Catch split compounds automatically

Small errors like splitting 'furthermore' are easy to miss but easy to fix. Set a quick automated check for split compounds before finalizing reports, proposals, or essays to save time and reduce slips.

Include a proofreading pass that searches for common split compounds (further more, never the less, none the less) and flags them for review.

Real usage and tone: choose the right word

'Furthermore' fits formal contexts: reports, academic papers, and proposals. In emails and texts, 'also' or 'besides' often sounds more natural.

Don't stack transitions. If you have several additions, combine ideas or vary linkers to keep prose smooth.

Work/formal: "Furthermore, the budget will be adjusted."
School/academic: "Furthermore, the study supports the hypothesis."
Casual: Prefer "Also, I forgot my keys." over "Furthermore" in messages.

Formal-work: "Furthermore, the audit found several compliance gaps."
Academic: "Furthermore, these findings align with previous research."
Casual: "Also, I'll be late to dinner." (more natural than "Furthermore")

Try your own sentence

Test the whole sentence, not just the phrase. Context usually clarifies whether you need a connector or a quantity word.

Examples: wrong/right pairs and context-specific fixes

Below are immediate corrections and short rewrites grouped by general wrong/right pairs, then by work, school, and casual contexts. Three template rewrites are at the end.

General wrong/right pairs
Wrong: "Further more, the results were inconclusive." -
Right: "Furthermore, the results were inconclusive."
Wrong: "We need to hire more staff; further more, salaries must be reviewed." -
Right: "We need to hire more staff; furthermore, salaries must be reviewed."
Wrong: "The proposal is expensive. Further more it lacks clear metrics." -
Right: "The proposal is expensive. Furthermore, it lacks clear metrics."
Wrong: "She studied late. Further more she practiced the presentation." -
Right: "She studied late. Furthermore, she practiced the presentation."
Wrong: "Our budget is tight. Further more we have a hiring freeze." -
Right: "Our budget is tight. Furthermore, we have a hiring freeze."
Wrong: "He didn't apologize. Further more no one heard from him." -
Right: "He didn't apologize. Furthermore, no one heard from him."

Work (three examples)
Wrong: "Further more, the quarterly report was incomplete." -
Right: "Furthermore, the quarterly report was incomplete."
Rewrite (work): "The quarterly report was incomplete; furthermore, we've added the missing data and updated the appendix."
Template: "The meeting ran over; furthermore, the team missed several action items."

School (three examples)
Wrong: "Further more students failed the exam than passed." -
Right: "Furthermore, more students failed the exam than passed."
Rewrite (school): "Exam results were disappointing; furthermore, the department will review the assessment methods."
Template: "The study had limitations; furthermore, additional samples are required."

Casual (three examples)
Wrong: "I missed the bus. Further more I forgot my wallet." -
Right: "I missed the bus. Furthermore, I forgot my wallet."
Casual note: Prefer "Also, I forgot my wallet." in a text.
Template: "Sales dropped last quarter. Furthermore, customer churn increased."

Rewrite help - three quick steps + templates

When you see "further more" in your draft, run this micro-process.

Step 1: Decide what you meant - a connector ('in addition') or a quantity ('more X').
Step 2: If a connector, replace with 'furthermore' and check punctuation ('; furthermore, ...' or 'Furthermore, ...').
Step 3: If a quantity, rewrite using 'more', 'additional', or 'further' + noun (e.g., 'more tests', 'further study').

Connector template: "[Independent clause]; furthermore, [second independent clause]." - e.g., "The pilot failed; furthermore, the documentation was insufficient."
Quantity template: "More [noun] are needed" or "Further [noun] will be required" - e.g., "More tests are needed."
Combine points when possible: "Because the test failed and the samples are contaminated, we must repeat the experiment."

Memory trick & editing habits

Simple habits make this error rare.

Mnemonic: Treat 'furthermore' like 'nevertheless' - one roof over two rooms: one word.
Habit: Search your document for 'further more' before finalizing important text.
Routine: Add a quick pass that scans transition words (however, therefore, furthermore, nevertheless).

Similar mistakes to watch for

Spotting one split compound helps you catch others. Watch these common offenders and their correct forms.

nevertheless (not "never the less")
nonetheless (not "none the less")
however (connector form, not "how ever")
anymore vs any more - use 'anymore' for adverbial 'these days', 'any more' for quantity
additionally (not "add it ionally")

Compare: Wrong: "Never the less, we continued." -
Right: "Nevertheless, we continued."
Anymore: If you mean 'these days' use "anymore": "I don't want that anymore." If you mean additional quantity, use "any more": "I don't want any more of that."

FAQ

Is 'further more' ever correct?

Rarely. Only in an unusual literal construction where 'further' modifies a verb and 'more' begins a noun phrase would two words make sense. In practice, rewrite: for most cases where you mean 'in addition', use 'furthermore'.

Do I have to put a comma after 'Furthermore'?

In formal writing, yes: use "Furthermore, ..." at the start of a sentence or clause. After a semicolon, include the comma: "; furthermore, ...". In casual notes the comma can be omitted, but be consistent.

What if I want a less formal tone?

Use 'also', 'besides', or 'in addition' in emails and texts. 'Furthermore' is suitable for professional and academic contexts but can sound stiff in casual messages.

How can I avoid this mistake across documents?

Search for "further more", add split compounds to your proofreading checklist, and enable a grammar checker that flags split forms.

How is 'further' different from 'furthermore'?

'Further' can be an adverb, adjective, or verb relating to degree or distance ("further study", "to further the project"). 'Furthermore' is specifically a conjunctive adverb used to add another point ("in addition", "moreover").

Quick pre-send check

Before you send an important email or submit a paper, search your draft for "further more" and replace it with "furthermore" when it functions as a connector. If it tries to express quantity, rewrite using 'more' or 'additional'.

A short focused pass for transition words (however, therefore, furthermore, nevertheless) catches many small errors that affect credibility. Consider running a grammar tool for one final sweep - it often spots split compounds you miss.