inhibit vs muffle

inhibit is not a noun while muffle is a noun.

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

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

inhibit: consciously restrain from showing; of emotions, desires, impulses, or behavior
muffle: suppress in order to conceal or hide

Other hyponyms of inhibit include dampen, stifle, repress, smother, stifle, strangle, choke.

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

inhibit (verb)	muffle (verb)
prohibit, forbid, or prevent from doing something	suppress in order to conceal or hide
make (someone) self-conscious and as a result unable to act naturally	deaden (a sound or noise), especially by wrapping
consciously restrain from showing; of emotions, desires, impulses, or behavior
limit, block, or decrease the action or function of