Bodily cavity and Cloaca

Bodily cavity noun - (anatomy) a natural hollow or sinus within the body.

Cloaca and bodily cavity are semantically related. In some cases you can replace term "Cloaca" with "Bodily cavity", this terms are similar.

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.

Bodily cavity and cloaca are semantically related. Sometimes you can use "Bodily cavity" instead a noun "Cloaca".