giving birth vs birth

giving birth and birth both are nouns.

Word	Noun	Adjective	Verb	Adverb
giving birth	Yes	No	No	No
birth	Yes	No	Yes	No

As nouns, giving birth and birth are synonyms defined as:

Other synonyms of giving birth include birthing, parturition.

giving birth (noun)	birth (noun)
the process of giving birth	the event of being born
	a baby born; an offspring
	the process of giving birth
	the kinship relation of an offspring to the parents
	the time when something begins (especially life)

giving birth (verb)	birth (verb)
	cause to be born