shimmy vs unmentionable

shimmy and unmentionable both are nouns.

Word	Noun	Adjective	Verb	Adverb
shimmy	Yes	No	Yes	No
unmentionable	Yes	Yes	No	No

As nouns, unmentionable is a hypernym of shimmy; that is, unmentionable is a word with a broader meaning than shimmy:

Other hypernyms of shimmy include undergarment.

shimmy (noun)	unmentionable (noun)
lively dancing (usually to ragtime music) with much shaking of the shoulders and hips	a garment worn under other garments
a woman's sleeveless undergarment
an abnormal wobble in a motor vehicle (especially in the front wheels)

shimmy (adjective)	unmentionable (adjective)
	unsuitable or forbidden as a topic of conversation

shimmy (verb)	unmentionable (verb)
dance a shimmy
tremble or shake