medicare payment vs bank check

medicare payment and bank check both are nouns.

Word	Noun	Adjective	Verb	Adverb
medicare payment	Yes	No	No	No
bank check	Yes	No	No	No

As nouns, bank check is a hypernym of medicare payment; that is, bank check is a word with a broader meaning than medicare payment:

medicare payment: a check reimbursing an aged person for the expenses of health care
bank check: a written order directing a bank to pay money

Other hypernyms of medicare payment include check, cheque.

medicare payment (noun)	bank check (noun)
a check reimbursing an aged person for the expenses of health care	a written order directing a bank to pay money