wet blanket vs fusspot

wet blanket and fusspot both are nouns.

Word	Noun	Adjective	Verb	Adverb
wet blanket	Yes	No	No	No
fusspot	Yes	No	No	No

As nouns, fusspot is a hyponym of wet blanket; that is, fusspot is a word with a more specific, narrower meaning than wet blanket:

Other hyponyms of wet blanket include fuss-budget, worrier, worrywart.

wet blanket (noun)	fusspot (noun)
someone who spoils the pleasure of others	thinks about unfortunate things that might happen