adjust vs adjustment

adjust is not a noun while adjustment is a noun.

Word	Noun	Adjective	Verb	Adverb
adjust	No	No	Yes	No
adjustment	Yes	No	No	No

adjust (noun)	adjustment (noun)
	the act of making something different (as e.g. the size of a garment)
	the act of adjusting something to match a standard
	making or becoming suitable; adjusting to circumstances
	an amount added or deducted on the basis of qualifying circumstances
	the process of adapting to something (such as environmental conditions)

adjust (verb)	adjustment (verb)
alter or regulate so as to achieve accuracy or conform to a standard
adapt or conform oneself to new or different conditions
make correspondent or conformable
place in a line or arrange so as to be parallel or straight
decide how much is to be paid on an insurance claim