Cupid's itch and Herpes genitalis

Cupid's itch noun - A communicable infection transmitted by sexual intercourse or genital contact.

Herpes genitalis and Cupid's itch are semantically related. In some cases you can replace phrase "Herpes genitalis" with "Cupid's itch", this phrases are similar.

Herpes genitalis noun - An infection caused by herpes simplex virus type 2 (HSV-2) that is usually transmitted by sexual contact; marked by recurrent attacks of painful eruptions on the skin and mucous membranes of the genital area.

Cupid's itch and herpes genitalis are semantically related. You can use "Cupid's itch" instead a noun phrase "Herpes genitalis".