nooky vs ass

nooky and ass both are nouns.

Word	Noun	Adjective	Verb	Adverb
nooky	Yes	No	No	No
ass	Yes	No	No	No

As nouns, nooky and ass are synonyms defined as:

nooky (noun)	ass (noun)
slang for sexual intercourse	slang for sexual intercourse
	hardy and sure-footed animal smaller and with longer ears than the horse
	the fleshy part of the human body that you sit on
	a pompous fool