Cesspit and Cloaca

Cesspit noun - A covered cistern; waste water and sewage flow into it.

Cloaca and cesspit are semantically related. In some cases you can use "Cloaca" instead a noun "Cesspit".

Cloaca noun - (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open.

Cesspit and cloaca are semantically related. You can use "Cesspit" instead a noun "Cloaca".