picklepuss vs sourpuss

picklepuss and sourpuss both are nouns.

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

As nouns, picklepuss and sourpuss are synonyms defined as:

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

Other synonyms of picklepuss include gloomy Gus, pouter.

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