worrier vs wet blanket

worrier and wet blanket both are nouns.

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

As nouns, wet blanket is a hypernym of worrier; that is, wet blanket is a word with a broader meaning than worrier:

Other hypernyms of worrier include killjoy, party pooper, spoilsport.

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