blue point vs huitre

blue point and huitre both are nouns.

Word	Noun	Adjective	Verb	Adverb
blue point	Yes	No	No	No
huitre	Yes	No	No	No

As nouns, huitre is a hypernym of blue point; that is, huitre is a word with a broader meaning than blue point:

blue point: oysters originally from Long Island Sound but now from anywhere along the northeastern seacoast; usually eaten raw
huitre: edible body of any of numerous oysters

Other hypernyms of blue point include oyster.

blue point (noun)	huitre (noun)
small edible oyster typically from the southern shore of Long Island	edible body of any of numerous oysters
oysters originally from Long Island Sound but now from anywhere along the northeastern seacoast; usually eaten raw