imitation vs burlesque

imitation and burlesque both are nouns.

Word	Noun	Adjective	Verb	Adverb
imitation	Yes	Yes	No	No
burlesque	Yes	Yes	Yes	No

As nouns, burlesque is a hyponym of imitation; that is, burlesque is a word with a more specific, narrower meaning than imitation:

imitation: a representation of a person that is exaggerated for comic effect
burlesque: a composition that imitates or misrepresents somebody's style, usually in a humorous way

Other hyponyms of imitation include mock-heroic, lampoon, mockery, parody, pasquinade, put-on, send-up, sendup, spoof, takeoff, travesty.

imitation (noun)	burlesque (noun)
copying (or trying to copy) the actions of someone else	a theatrical entertainment of broad and earthy humor; consists of comic skits and short turns (and sometimes striptease)
something copied or derived from an original	a composition that imitates or misrepresents somebody's style, usually in a humorous way
the doctrine that representations of nature or human behavior should be accurate imitations
a representation of a person that is exaggerated for comic effect

imitation (adjective)	burlesque (adjective)
not genuine or real; being an imitation of the genuine article	relating to or characteristic of a burlesque

imitation (verb)	burlesque (verb)
	make a parody of