foreign aid vs economic aid

foreign aid and economic aid both are nouns.

Word	Noun	Adjective	Verb	Adverb
foreign aid	Yes	No	No	No
economic aid	Yes	No	No	No

As nouns, economic aid is a hypernym of foreign aid; that is, economic aid is a word with a broader meaning than foreign aid:

foreign aid: aid (such as economic or military assistance) provided to one nation by another
economic aid: gift of money or other material help to support a person or cause

Other hypernyms of foreign aid include aid, assistance, economic assistance, financial aid, financial assistance.

foreign aid (noun)	economic aid (noun)
aid (such as economic or military assistance) provided to one nation by another	gift of money or other material help to support a person or cause