womb vs uterus

womb and uterus both are nouns.

Word	Noun	Adjective	Verb	Adverb
womb	Yes	No	No	No
uterus	Yes	No	No	No

As nouns, womb and uterus are synonyms defined as:

womb and uterus: a hollow muscular organ in the pelvic cavity of females; contains the developing fetus

womb (noun)	uterus (noun)
a hollow muscular organ in the pelvic cavity of females; contains the developing fetus	a hollow muscular organ in the pelvic cavity of females; contains the developing fetus