fourscore vs large integer

fourscore and large integer both are nouns.

Word	Noun	Adjective	Verb	Adverb
fourscore	Yes	Yes	No	No
large integer	Yes	No	No	No

As nouns, large integer is a hypernym of fourscore; that is, large integer is a word with a broader meaning than fourscore:

fourscore (noun)	large integer (noun)
the cardinal number that is the product of ten and eight	an integer equal to or greater than ten

fourscore (adjective)	large integer (adjective)
being ten more than seventy