stamp down vs hold in

stamp down and hold in both are verbs.

Word	Noun	Adjective	Verb	Adverb
stamp down	No	No	Yes	No
hold in	No	No	Yes	No

As verbs, hold in is a hypernym of stamp down; that is, hold in is a word with a broader meaning than stamp down:

stamp down: bring under control by force or authority
hold in: lessen the intensity of; temper; hold in restraint; hold or keep within limits

Other hypernyms of stamp down include check, contain, control, curb, hold, moderate.

stamp down (verb)	hold in (verb)
bring under control by force or authority	hold back; keep from being perceived by others
	lessen the intensity of; temper; hold in restraint; hold or keep within limits
	close in