foundress vs founder

foundress and founder both are nouns.

Word	Noun	Adjective	Verb	Adverb
foundress	Yes	No	No	No
founder	Yes	No	Yes	No

As nouns, founder is a hypernym of foundress; that is, founder is a word with a broader meaning than foundress:

Other hypernyms of foundress include beginner, father, founding father, adult female, woman.

foundress (noun)	founder (noun)
a woman founder	a person who founds or establishes some institution
	a worker who makes metal castings
	inflammation of the laminated tissue that attaches the hoof to the foot of a horse

foundress (verb)	founder (verb)
	break down, literally or metaphorically
	sink below the surface
	stumble and nearly fall
	fail utterly; collapse