sourpuss vs picklepuss

sourpuss and picklepuss both are nouns.

Word	Noun	Adjective	Verb	Adverb
sourpuss	Yes	No	No	No
picklepuss	Yes	No	No	No

As nouns, sourpuss and picklepuss are synonyms defined as:

sourpuss and picklepuss: someone with a habitually sullen or gloomy expression

Other synonyms of sourpuss include gloomy Gus, pouter.

sourpuss (noun)	picklepuss (noun)
someone with a habitually sullen or gloomy expression	someone with a habitually sullen or gloomy expression