devote vs vow

devote is not a noun while vow is a noun.

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

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

Other hyponyms of devote include consecrate, rededicate, apply.

devote (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

devote (verb)	vow (verb)
dedicate	make a vow; promise
give entirely to a specific person, activity, or cause	dedicate to a deity by a vow
set aside or apart for a specific purpose or use