slow down vs decompress

slow down and decompress both are verbs.

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

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

Other synonyms of slow down include loosen up, relax, unbend, unwind.

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