vow vs devote

vow is a noun but devote is not a noun.

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

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

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

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