vow vs commit

vow is a noun but commit is not a noun.

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

As verbs, commit is a hypernym of vow; that is, commit is a word with a broader meaning than vow:

Other hypernyms of vow include consecrate, dedicate, devote, give.

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

vow (verb)	commit (verb)
make a vow; promise	make a set of changes permanent
dedicate to a deity by a vow	transfer to another place so something can be kept or preserved
	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