Kyphosus vs rudderfish

Kyphosus and rudderfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kyphosus	Yes	No	No	No
rudderfish	Yes	No	No	No

Kyphosus (noun)	rudderfish (noun)
type genus of the Kyphosidae	fish having the habit of following ships; found in North American and South American coastal waters
	food and game fish around Bermuda and Florida; often follow ships