admit vs countenance

admit is not a noun while countenance is a noun.

Word	Noun	Adjective	Verb	Adverb
admit	No	No	Yes	No
countenance	Yes	No	Yes	No

As verbs, countenance is a hypernym of admit; that is, countenance is a word with a broader meaning than admit:

admit: allow participation in or the right to be part of; permit to exercise the rights, functions, and responsibilities of
countenance: consent to, give permission; permit

Other hypernyms of admit include allow, let, permit.

As verbs, countenance is a hypernym of admit; that is, countenance is a word with a broader meaning than admit:

Other hypernyms of admit include allow, let, permit.

admit (noun)	countenance (noun)
	the appearance conveyed by a person's face
	the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
	formal and explicit approval

admit (verb)	countenance (verb)
declare to be true or admit the existence or reality or truth of	consent to, give permission; permit
admit into a group or community
allow participation in or the right to be part of; permit to exercise the rights, functions, and responsibilities of
allow to enter; grant entry to
give access or entrance to
serve as a means of entrance
have room for; hold without crowding
afford possibility