admit vs avouch

admit and avouch both are verbs.

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

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

admit (verb)	avouch (verb)
declare to be true or admit the existence or reality or truth of	admit openly and bluntly; make no bones about
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