mephitis vs reek

mephitis and reek both are nouns.

Word	Noun	Adjective	Verb	Adverb
mephitis	Yes	No	No	No
reek	Yes	No	Yes	No

As nouns, mephitis and reek are synonyms defined as:

Other synonyms of mephitis include fetor, foetor, malodor, malodour, stench, stink.

mephitis (noun)	reek (noun)
a distinctive odor that is offensively unpleasant	a distinctive odor that is offensively unpleasant
a poisonous or foul smelling gas emitted from the earth

mephitis (verb)	reek (verb)
	be wet with sweat or blood, as of one's face
	smell badly and offensively
	have an element suggestive (of something)
	give off smoke, fumes, warm vapour, steam, etc.