contractor vs contractile organ

contractor and contractile organ both are nouns.

Word	Noun	Adjective	Verb	Adverb
contractor	Yes	No	No	No
contractile organ	Yes	No	No	No

As nouns, contractor and contractile organ are synonyms defined as:

contractor (noun)	contractile organ (noun)
a bodily organ that contracts	a bodily organ that contracts
someone (a person or firm) who contracts to build things
(law) a party to a contract
the bridge player in contract bridge who wins the bidding and can declare which suit is to be trumps