faeces vs stool

faeces and stool both are nouns.

Word	Noun	Adjective	Verb	Adverb
faeces	Yes	No	No	No
stool	Yes	No	Yes	No

As nouns, faeces and stool are synonyms defined as:

Other synonyms of faeces include BM, dejection, faecal matter, fecal matter, feces, ordure.

faeces (noun)	stool (noun)
solid excretory product evacuated from the bowels	a simple seat without a back or arms
	a plumbing fixture for defecation and urination
	(forestry) the stump of a tree that has been felled or headed for the production of saplings
	solid excretory product evacuated from the bowels

faeces (verb)	stool (verb)
	have a bowel movement
	grow shoots in the form of stools or tillers
	react to a decoy, of wildfowl
	lure with a stool, as of wild fowl