Prepositions after adjectives

Searchable by, on, in, via or through?

Searchable is commonly followed by by to describe search criteria. Other prepositions such as on, in, via, and through usually introduce platforms, systems, or methods rather than forming fixed combinations with searchable.

Quick answer

How to use searchable

Use searchable by for categories, filters, or search terms: searchable by date. Use searchable in or searchable on when referring to a location or platform where searching is possible. Via and through usually describe the method of access, not a fixed adjective pattern.

The archive is searchable by author name.
The records are searchable in the database.
The catalogue is searchable on the website.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
searchable by + criterion

Showing how information can be searched

Use searchable by for names, dates, keywords, categories, and filters.

The files are searchable by keyword.
The system is searchable by location.
2
searchable in + database or collection

Showing where searching happens

In introduces the database, archive, or collection containing the searchable material.

The documents are searchable in the online archive.
These records are searchable in the company database.
3
searchable on + platform

Showing the platform or site

On is used for websites, apps, and online platforms.

The products are searchable on the retailer's app.
The directory is searchable on mobile devices.
4
searchable via + tool

Showing the method of access

Via introduces the tool or route used to perform the search.

The library is searchable via a public portal.
The service is searchable via voice commands.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
searchable by
The data is searchable by date.
Describes the search criterion or filter.
searchable in
The files are searchable in the archive.
Shows the collection or system containing the material.
searchable on
The catalogue is searchable on the website.
Shows the platform where users search.
searchable via or through
The records are searchable via the portal.
Describes the method or route of access rather than a fixed adjective pattern.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using by for a platform

By normally introduces a search criterion, not a website or app.

✕ The products are searchable by the website. ✓ The products are searchable on the website.

Confusing in and on

Use in for databases or collections and on for websites or devices.

✕ The records are searchable on the database. ✓ The records are searchable in the database.

Using searchable with no criterion or location

Add details to make the sentence clear.

✓ The archive is searchable by topic.

Quick practice

Choose the expression that matches the intended meaning.

1. The database is searchable ___ customer ID.
2. The records are searchable ___ the archive.
3. The catalogue is searchable ___ the company website.

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Frequently asked questions

Is searchable by the most common pattern?

Yes. It is the standard way to describe search criteria or filters.

Can searchable through be correct?

Yes, when through describes the access route or system, such as searchable through an online portal.

What is the difference between searchable in and searchable on?

In usually refers to databases or collections, while on refers to websites, apps, or devices.

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