ocean trip vs cruise

ocean trip and cruise both are nouns.

Word	Noun	Adjective	Verb	Adverb
ocean trip	Yes	No	No	No
cruise	Yes	No	Yes	No

As nouns, cruise is a hyponym of ocean trip; that is, cruise is a word with a more specific, narrower meaning than ocean trip:

Other hyponyms of ocean trip include sail, maiden voyage.

ocean trip (noun)	cruise (noun)
an act of traveling by water	an ocean trip taken for pleasure

ocean trip (verb)	cruise (verb)
	sail or travel about for pleasure, relaxation, or sightseeing
	travel at a moderate speed
	drive around aimlessly but ostentatiously and at leisure
	look for a sexual partner in a public place