commit vs vow

commit is not a noun while vow is a noun.

Word	Noun	Adjective	Verb	Adverb
commit	No	No	Yes	No
vow	Yes	No	Yes	No

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

Other hyponyms of commit include consecrate, rededicate, apply.

commit (noun)	vow (noun)
	a solemn pledge (to oneself or to another or to a deity) to do something or to behave in a certain manner

commit (verb)	vow (verb)
make a set of changes permanent	make a vow; promise
transfer to another place so something can be kept or preserved	dedicate to a deity by a vow
give entirely to a specific person, activity, or cause
confer a trust upon
cause to be admitted; of persons to an institution
make an investment
perform an act, usually with a negative connotation
engage in or perform