fish glue vs glue

fish glue and glue both are nouns.

Word	Noun	Adjective	Verb	Adverb
fish glue	Yes	No	No	No
glue	Yes	No	Yes	No

As nouns, glue is a hypernym of fish glue; that is, glue is a word with a broader meaning than fish glue:

fish glue: gelatinous substance obtained by boiling skins fins and bones of fish
glue: cement consisting of a sticky substance that is used as an adhesive

Other hypernyms of fish glue include animal product, gum, mucilage.

fish glue (noun)	glue (noun)
gelatinous substance obtained by boiling skins fins and bones of fish	cement consisting of a sticky substance that is used as an adhesive

fish glue (verb)	glue (verb)
	be fixed as if by glue
	join or attach with or as if with glue