stern vs hindquarters

stern and hindquarters both are nouns.

Word	Noun	Adjective	Verb	Adverb
stern	Yes	Yes	No	No
hindquarters	Yes	No	No	No

As nouns, stern and hindquarters are synonyms defined as:

stern and hindquarters: the fleshy part of the human body that you sit on

stern (noun)	hindquarters (noun)
the rear part of a ship	the part of an animal that corresponds to the human buttocks
the fleshy part of the human body that you sit on	the fleshy part of the human body that you sit on

stern (adjective)	hindquarters (adjective)
severe and unremitting in making demands
not to be placated or appeased or moved by entreaty
of a stern or strict bearing or demeanor; forbidding in aspect
severely simple