sharksucker vs remora

sharksucker and remora both are nouns.

Word	Noun	Adjective	Verb	Adverb
sharksucker	Yes	No	No	No
remora	Yes	No	No	No

As nouns, remora is a hypernym of sharksucker; that is, remora is a word with a broader meaning than sharksucker:

sharksucker: remoras found attached to sharks
remora: marine fishes with a flattened elongated body and a sucking disk on the head for attaching to large fish or moving objects

Other hypernyms of sharksucker include suckerfish, sucking fish.

sharksucker (noun)	remora (noun)
remoras found attached to sharks	marine fishes with a flattened elongated body and a sucking disk on the head for attaching to large fish or moving objects