thunder mug vs chamberpot

thunder mug and chamberpot both are nouns.

Word	Noun	Adjective	Verb	Adverb
thunder mug	Yes	No	No	No
chamberpot	Yes	No	No	No

As nouns, thunder mug and chamberpot are synonyms defined as:

thunder mug and chamberpot: a receptacle for urination or defecation in the bedroom

Other synonyms of thunder mug include potty.

thunder mug (noun)	chamberpot (noun)
a receptacle for urination or defecation in the bedroom	a receptacle for urination or defecation in the bedroom