clyster vs enema

clyster and enema both are nouns.

Word	Noun	Adjective	Verb	Adverb
clyster	Yes	No	No	No
enema	Yes	No	No	No

As nouns, clyster and enema are synonyms defined as:

clyster and enema: an injection of a liquid through the anus to stimulate evacuation; sometimes used for diagnostic purposes

clyster (noun)	enema (noun)
an injection of a liquid through the anus to stimulate evacuation; sometimes used for diagnostic purposes	an injection of a liquid through the anus to stimulate evacuation; sometimes used for diagnostic purposes