hymen vs maidenhead

hymen and maidenhead both are nouns.

Word	Noun	Adjective	Verb	Adverb
hymen	Yes	No	No	No
maidenhead	Yes	No	No	No

As nouns, hymen and maidenhead are synonyms defined as:

hymen and maidenhead: a fold of tissue that partly covers the entrance to the vagina of a virgin

Other synonyms of hymen include virginal membrane.

hymen (noun)	maidenhead (noun)
a fold of tissue that partly covers the entrance to the vagina of a virgin	a fold of tissue that partly covers the entrance to the vagina of a virgin