shock absorber vs cushion

shock absorber and cushion both are nouns.

Word	Noun	Adjective	Verb	Adverb
shock absorber	Yes	No	No	No
cushion	Yes	No	Yes	No

As nouns, shock absorber and cushion are synonyms defined as:

shock absorber and cushion: a mechanical damper; absorbs energy of sudden impulses

Other synonyms of shock absorber include shock.

shock absorber (noun)	cushion (noun)
a mechanical damper; absorbs energy of sudden impulses	a soft bag filled with air or a mass of padding such as feathers or foam rubber etc.
	a mechanical damper; absorbs energy of sudden impulses
	the layer of air that supports a hovercraft or similar vehicle

shock absorber (verb)	cushion (verb)
	protect from impact