Madonna vs Virgin Mary

Madonna and Virgin Mary both are nouns.

Word	Noun	Adjective	Verb	Adverb
Madonna	Yes	No	No	No
Virgin Mary	Yes	No	No	No

As nouns, Madonna and Virgin Mary are synonyms defined as:

Madonna and Virgin Mary: the mother of Jesus; Christians refer to her as the Virgin Mary; she is especially honored by Roman Catholics

Other synonyms of Madonna include Blessed Virgin, Mary, The Virgin.

Madonna (noun)	Virgin Mary (noun)
the mother of Jesus; Christians refer to her as the Virgin Mary; she is especially honored by Roman Catholics	a Bloody Mary made without alcohol
United States pop singer and sex symbol during the 1980s (born in 1958)	the mother of Jesus; Christians refer to her as the Virgin Mary; she is especially honored by Roman Catholics