cracklings vs edible fat

cracklings and edible fat both are nouns.

Word	Noun	Adjective	Verb	Adverb
cracklings	Yes	No	No	No
edible fat	Yes	No	No	No

As nouns, edible fat is a hypernym of cracklings; that is, edible fat is a word with a broader meaning than cracklings:

cracklings: the crisp residue left after lard has been rendered
edible fat: oily or greasy matter making up the bulk of fatty tissue in animals and in seeds and other plant tissue

cracklings (noun)	edible fat (noun)
the crisp residue left after lard has been rendered	oily or greasy matter making up the bulk of fatty tissue in animals and in seeds and other plant tissue