decompression vs decompressing

decompression and decompressing both are nouns.

Word	Noun	Adjective	Verb	Adverb
decompression	Yes	No	No	No
decompressing	Yes	No	No	No

As nouns, decompression and decompressing are synonyms defined as:

decompression and decompressing: relieving pressure (especially bringing a compressed person gradually back to atmospheric pressure)

decompression (noun)	decompressing (noun)
relieving pressure (especially bringing a compressed person gradually back to atmospheric pressure)	relieving pressure (especially bringing a compressed person gradually back to atmospheric pressure)
restoring compressed information to its normal form for use or display