How To Use Archaicism In A Sentence

Thinking full well" makes no sense to me, not even as an archaicism. Languagehat.com: THINKING FULL WELL.
It's always tempting to assume that everything in an older branch such as Anatolian is an archaicism but naturally that can't logically be the case. Thoughts on the early Indo-European subjunctive 1ps ending
Nowadays, "stevedore" is essentially an archaicism; the men in the longshoremens union run those giant cranes and are paid very well. Archive 2007-11-01
Nowadays, "stevedore" is essentially an archaicism; the men in the longshoremens union run those giant cranes and are paid very well. Archive 2007-11-01
The heroine's small brother, with playful archaicism called "a springald," puts on her skirts and things and passes himself off for his sister or anybody else he pleases. Ponkapog Papers.

This is why many IEists bow to common sense and recognize that the r-mediopassive is the true archaicism here, hence 1ps mediopassive *-h₂ór. Archive 2008-03-01
Wolzek pronounced the archaicism with studied care. This Crowded Earth
English, with a sub-flavour of the Mabinogionic archaicism, is admirable; and his style gives life and light to the nine volumes whose matter is frequently heavy enough. The Book of The Thousand Nights And A Night
This, I feel, is in itself an indication that we're dealing with an archaicism. The Great Pre-IE Centralization
But a purist who objects so forcibly to archaism and archaicism should avoid such terms as "whilom Persian Secretary" (p. 170); as anthophobia, which he is compelled to explain by "dread of selecting only what is best" (p. 175), as anthophobist (p. 176); as "fatuous ejaculations" (p. 183), as a "raconteur Arabian nights. English
Mavors is, as far as I know, only attested in later classical poetry and so does not necessarily suggest an archaicism. Getting the origins of Mars and Vulcan right