Colonic and Enema

Colonic noun - A water enema given to flush out the colon.

Enema and colonic are semantically related. In some cases you can use "Enema" instead a noun "Colonic".

Enema noun - An injection of a liquid through the anus to stimulate evacuation; sometimes used for diagnostic purposes.

Colonic and enema are semantically related. Sometimes you can replace term "Colonic" with "Enema", this nouns are similar.