imitative vs unreal

imitative and unreal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
imitative	No	Yes	No	No
unreal	No	Yes	No	No

imitative (adjective)	unreal (adjective)
marked by or given to imitation	lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria
(of words) formed in imitation of a natural sound	not actually such; being or seeming fanciful or imaginary
not genuine; imitating something superior	lacking material form or substance; unreal
	contrived by art rather than nature