poseuse vs poser

poseuse and poser both are nouns.

Word	Noun	Adjective	Verb	Adverb
poseuse	Yes	No	No	No
poser	Yes	No	No	No

As nouns, poser is a hypernym of poseuse; that is, poser is a word with a broader meaning than poseuse:

Other hypernyms of poseuse include poseur, adult female, woman.

poseuse (noun)	poser (noun)
a woman poseur	a particularly difficult or baffling question or problem
	a person who poses for a photographer or painter or sculptor
	a person who habitually pretends to be something he is not