decompress vs slow down

decompress and slow down both are verbs.

Word	Noun	Adjective	Verb	Adverb
decompress	No	No	Yes	No
slow down	No	No	Yes	No

As verbs, decompress and slow down are synonyms defined as:

Other synonyms of decompress include loosen up, relax, unbend, unwind.

decompress (verb)	slow down (verb)
become less tense, rest, or take one's ease	become less tense, rest, or take one's ease
decrease the pressure of	lose velocity; move more slowly
restore to its uncompressed form	become slow or slower
	reduce the speed of
	cause to proceed more slowly