ratchet down vs progress

ratchet down is not a noun while progress is a noun.

Word	Noun	Adjective	Verb	Adverb
ratchet down	No	No	Yes	No
progress	Yes	No	Yes	No

As verbs, progress is a hypernym of ratchet down; that is, progress is a word with a broader meaning than ratchet down:

Other hypernyms of ratchet down include advance, go on, march on, move on, pass on.

ratchet down (noun)	progress (noun)
	the act of moving forward (as toward a goal)
	gradual improvement or growth or development
	a movement forward

ratchet down (verb)	progress (verb)
move by degrees in one direction only	develop in a positive way
	form or accumulate steadily
	move forward, also in the metaphorical sense