dampen vs humidify

dampen and humidify both are verbs.

Word	Noun	Adjective	Verb	Adverb
dampen	No	No	Yes	No
humidify	No	No	Yes	No

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

Other hyponyms of dampen include moisturise, moisturize, baste.

dampen (verb)	humidify (verb)
lessen in force or effect	make (more) humid
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