delivery vs vaginal birth

delivery and vaginal birth both are nouns.

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

delivery (noun)	vaginal birth (noun)
recovery or preservation from loss or danger	the parturition process in human beings; having a baby; the process of giving birth to a child
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