clam vs government note

clam and government note both are nouns.

Word	Noun	Adjective	Verb	Adverb
clam	Yes	No	Yes	No
government note	Yes	No	No	No

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

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

clam (noun)	government 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)	government note (verb)
gather clams, by digging in the sand by the ocean