frigate vs combat ship

frigate and combat ship both are nouns.

Word	Noun	Adjective	Verb	Adverb
frigate	Yes	No	No	No
combat ship	Yes	No	No	No

As nouns, combat ship is a hypernym of frigate; that is, combat ship is a word with a broader meaning than frigate:

frigate: a United States warship larger than a destroyer and smaller than a cruiser
combat ship: a government ship that is available for waging war

Other hypernyms of frigate include war vessel, warship.

As nouns, combat ship is a hypernym of frigate; that is, combat ship is a word with a broader meaning than frigate:

Other hypernyms of frigate include war vessel, warship.

frigate (noun)	combat ship (noun)
a United States warship larger than a destroyer and smaller than a cruiser	a government ship that is available for waging war
a medium size square-rigged warship of the 18th and 19th centuries