Crabs and Chlamydia

Crabs noun - Infestation of the pubic hair by crab lice.

Chlamydia and crabs are semantically related In some cases you can use "Chlamydia" instead a noun "Crabs".

Chlamydia noun - A sexually transmitted infection caused by bacteria of the genus Chlamydia.

Crabs and chlamydia are semantically related in disease given through sexual relations topic. You can use "Crabs" instead a noun "Chlamydia".