vaginal birth vs delivery

vaginal birth and delivery both are nouns.

Word	Noun	Adjective	Verb	Adverb
vaginal birth	Yes	No	No	No
delivery	Yes	No	No	No

vaginal birth (noun)	delivery (noun)
the parturition process in human beings; having a baby; the process of giving birth to a child	recovery or preservation from loss or danger
	the voluntary transfer of something (title or possession) from one party to another
	the act of delivering a child
	the act of throwing a baseball or softball by the pitcher towards home plate, which initiates play by giving the batter a chance to hit it
	the act of delivering or distributing something (as goods or mail)
	your characteristic style or manner of expressing yourself orally
	the event of giving birth