mannikin vs fashion model

mannikin and fashion model both are nouns.

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

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

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

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

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