fill vs satisfy

fill is a noun but satisfy is not a noun.

Word	Noun	Adjective	Verb	Adverb
fill	Yes	No	Yes	No
satisfy	No	No	Yes	No

As verbs, fill and satisfy are synonyms defined as:

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

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

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

fill (noun)	satisfy (noun)
a quantity sufficient to satisfy
any material that fills a space or container

fill (verb)	satisfy (verb)
become full	fill, satisfy or meet a want or need or condition or restriction
make full, also in a metaphorical sense	make happy or satisfied
plug with a substance	meet the requirements or expectations of
fill to satisfaction
eat until one is sated
fill, satisfy or meet a want or need or condition or restriction
assume, as of positions or roles
appoint someone to (a position or a job)
occupy the whole of