venereal infection vs sexually transmitted disease

venereal infection and sexually transmitted disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
venereal infection	Yes	No	No	No
sexually transmitted disease	Yes	No	No	No

As nouns, venereal infection and sexually transmitted disease are synonyms defined as:

venereal infection and sexually transmitted disease: a communicable infection transmitted by sexual intercourse or genital contact

Other synonyms of venereal infection include Cupid's disease, Cupid's itch, dose, social disease, STD, VD, venereal disease, Venus's curse.

venereal infection (noun)	sexually transmitted disease (noun)
a communicable infection transmitted by sexual intercourse or genital contact	a communicable infection transmitted by sexual intercourse or genital contact