virgin birth vs parthenogeny

virgin birth and parthenogeny both are nouns.

Word	Noun	Adjective	Verb	Adverb
virgin birth	Yes	No	No	No
parthenogeny	Yes	No	No	No

As nouns, virgin birth and parthenogeny are synonyms defined as:

virgin birth and parthenogeny: human conception without fertilization by a man

Other synonyms of virgin birth include parthenogenesis.

virgin birth (noun)	parthenogeny (noun)
human conception without fertilization by a man	process in which an unfertilized egg develops into a new individual; common among insects and some other arthropods
	human conception without fertilization by a man