fit in vs agree

fit in and agree both are verbs.

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

As verbs, fit in and agree are synonyms defined as:

Other synonyms of fit in include accord, concord, consort, harmonise, harmonize.

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

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

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

fit in (verb)	agree (verb)
go together	be in accord; be in agreement
	consent or assent to a condition, or agree to do something
	achieve harmony of opinion, feeling, or purpose
	be agreeable or suitable
	be compatible, similar or consistent; coincide in their characteristics
	go together
	show grammatical agreement