clam vs Federal Reserve note

clam and Federal Reserve note both are nouns.

Word	Noun	Adjective	Verb	Adverb
clam	Yes	No	Yes	No
Federal Reserve note	Yes	No	No	No

As nouns, Federal Reserve note is a hypernym of clam; that is, Federal Reserve note is a word with a broader meaning than clam:

clam: a piece of paper money worth one dollar
Federal Reserve note: a piece of paper money (especially one issued by a central bank)

Other hypernyms of clam include bank bill, bank note, banker's bill, banknote, bill, government note, greenback, note.

clam (noun)	Federal Reserve note (noun)
burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness	a piece of paper money (especially one issued by a central bank)
flesh of either hard-shell or soft-shell clams
a piece of paper money worth one dollar

clam (verb)	Federal Reserve note (verb)
gather clams, by digging in the sand by the ocean