diarrhetic vs diarrheic

diarrhetic and diarrheic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
diarrhetic	No	Yes	No	No
diarrheic	No	Yes	No	No

As adjectives, diarrhetic and diarrheic are synonyms defined as:

Other synonyms of diarrhetic include diarrheal, diarrhoeal, diarrhoeic, diarrhoetic.

diarrhetic (adjective)	diarrheic (adjective)
of or relating to diarrhea	of or relating to diarrhea