agree vs fit

agree is not a noun while fit is a noun.

Word	Noun	Adjective	Verb	Adverb
agree	No	No	Yes	No
fit	Yes	Yes	Yes	No

As verbs, agree and fit are synonyms defined as:

agree and fit: be compatible, similar or consistent; coincide in their characteristics

Other synonyms of agree include check, correspond, gibe, jibe, match, tally.

As verbs, fit is a hypernym of agree; that is, fit is a word with a broader meaning than agree:

agree: go together
fit: be compatible, similar or consistent; coincide in their characteristics

Other hypernyms of agree include agree, check, correspond, gibe, jibe, match, tally.

agree (noun)	fit (noun)
	a sudden flurry of activity (often for no obvious reason)
	the manner in which something fits
	a sudden uncontrollable attack
	a display of bad temper

agree (adjective)	fit (adjective)
	physically and mentally sound or healthy
	meeting adequate standards for a purpose
	(usually followed by `to' or `for') on the point of or strongly disposed

agree (verb)	fit (verb)
be in accord; be in agreement	make correspond or harmonize
consent or assent to a condition, or agree to do something	make fit
achieve harmony of opinion, feeling, or purpose	insert or adjust several objects or people
be agreeable or suitable	fill, satisfy or meet a want or need or condition or restriction
be compatible, similar or consistent; coincide in their characteristics	provide with (something) usually for a specific purpose
go together	be the right size or shape; fit correctly or as desired
show grammatical agreement	conform to some shape or size
	be compatible, similar or consistent; coincide in their characteristics
	be agreeable or acceptable to