urogenital cleft vs vulvar slit

urogenital cleft and vulvar slit both are nouns.

Word	Noun	Adjective	Verb	Adverb
urogenital cleft	Yes	No	No	No
vulvar slit	Yes	No	No	No

As nouns, urogenital cleft and vulvar slit are synonyms defined as:

Other synonyms of urogenital cleft include pudendal cleavage, pudendal cleft, pudendal slit, rima pudendi, rima vulvae.

urogenital cleft (noun)	vulvar slit (noun)
the fissure between the labia majora	the fissure between the labia majora