fit vs fulfil

fit is a noun but fulfil is not a noun.

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

As verbs, fit and fulfil are synonyms defined as:

fit and fulfil: fill, satisfy or meet a want or need or condition or restriction

Other synonyms of fit include conform to, fill, fulfill, meet, satisfy.

As verbs, fulfil is a hyponym of fit; that is, fulfil is a word with a more specific, narrower meaning than fit:

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

Other hypernyms of fit include conform to, fill, fit, fulfill, meet, satisfy.

fit (noun)	fulfil (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

fit (adjective)	fulfil (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

fit (verb)	fulfil (verb)
make correspond or harmonize	fill, satisfy or meet a want or need or condition or restriction
make fit	put in effect
insert or adjust several objects or people	meet the requirements or expectations of
fill, satisfy or meet a want or need or condition or restriction
provide with (something) usually for a specific purpose
be the right size or shape; fit correctly or as desired
conform to some shape or size
be compatible, similar or consistent; coincide in their characteristics
be agreeable or acceptable to