shrimp vs seafood

shrimp and seafood both are nouns.

Word	Noun	Adjective	Verb	Adverb
shrimp	Yes	No	Yes	No
seafood	Yes	No	No	No

As nouns, seafood is a hypernym of shrimp; that is, seafood is a word with a broader meaning than shrimp:

shrimp: any of various edible decapod crustaceans
seafood: edible fish (broadly including freshwater fish) or shellfish or roe etc

shrimp (noun)	seafood (noun)
small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible	edible fish (broadly including freshwater fish) or shellfish or roe etc
any of various edible decapod crustaceans
disparaging terms for small people

shrimp (verb)	seafood (verb)
fish for shrimp