billow vs locomote

billow is a noun but locomote is not a noun.

Word	Noun	Adjective	Verb	Adverb
billow	Yes	No	Yes	No
locomote	No	No	Yes	No

As verbs, locomote is a hypernym of billow; that is, locomote is a word with a broader meaning than billow:

Other hypernyms of billow include go, move, travel.

billow (noun)	locomote (noun)
a large sea wave

billow (verb)	locomote (verb)
become inflated	change location; move, travel, or proceed, also metaphorically
rise and move, as in waves or billows
rise up as if in waves
move with great difficulty