damp vs muffle

damp and muffle both are nouns.

Word	Noun	Adjective	Verb	Adverb
damp	Yes	Yes	Yes	No
muffle	Yes	No	Yes	No

As verbs, damp and muffle are synonyms defined as:

Other synonyms of damp include dampen, dull, mute, tone down.

damp (noun)	muffle (noun)
a slight wetness	a kiln with an inner chamber for firing things at a low temperature

damp (adjective)	muffle (adjective)
slightly wet

damp (verb)	muffle (verb)
lessen in force or effect	suppress in order to conceal or hide
make vague or obscure or make (an image) less visible	deaden (a sound or noise), especially by wrapping
restrain or discourage
deaden (a sound or noise), especially by wrapping