fashion model vs manikin

fashion model and manikin both are nouns.

Word	Noun	Adjective	Verb	Adverb
fashion model	Yes	No	No	No
manikin	Yes	No	No	No

As nouns, fashion model and manikin are synonyms defined as:

fashion model and manikin: a woman who wears clothes to display fashions

Other synonyms of fashion model include manakin, mannequin, mannikin, model.

fashion model (noun)	manikin (noun)
a woman who wears clothes to display fashions	a life-size dummy used to display clothes
	a person who is very small but who is not otherwise deformed or abnormal
	a woman who wears clothes to display fashions