bottle up vs dampen

bottle up and dampen both are verbs.

Word	Noun	Adjective	Verb	Adverb
bottle up	No	No	Yes	No
dampen	No	No	Yes	No

As verbs, dampen is a hyponym of bottle up; that is, dampen is a word with a more specific, narrower meaning than bottle up:

bottle up: consciously restrain from showing; of emotions, desires, impulses, or behavior
dampen: suppress or constrain so as to lessen in intensity

Other hyponyms of bottle up include stifle, muffle, repress, smother, stifle, strangle, choke.

bottle up (verb)	dampen (verb)
consciously restrain from showing; of emotions, desires, impulses, or behavior	lessen in force or effect
	make moist
	check; keep in check (a fire)
	make vague or obscure or make (an image) less visible
	reduce the amplitude (of oscillations or waves)
	suppress or constrain so as to lessen in intensity
	deaden (a sound or noise), especially by wrapping