wobble vs shimmy

wobble and shimmy both are nouns.

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

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

wobble: an unsteady rocking motion
shimmy: an abnormal wobble in a motor vehicle (especially in the front wheels)

As verbs, wobble and shimmy are synonyms defined as:

wobble (noun)	shimmy (noun)
an unsteady rocking motion	lively dancing (usually to ragtime music) with much shaking of the shoulders and hips
	a woman's sleeveless undergarment
	an abnormal wobble in a motor vehicle (especially in the front wheels)

wobble (verb)	shimmy (verb)
move unsteadily	dance a shimmy
tremble or shake	tremble or shake
move sideways or in an unsteady way