amenorrheic vs amenorrhoeal

amenorrheic and amenorrhoeal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
amenorrheic	No	Yes	No	No
amenorrhoeal	No	Yes	No	No

As adjectives, amenorrheic and amenorrhoeal are synonyms defined as:

amenorrheic and amenorrhoeal: related to the suppression of normal menstrual flow for any reason other than pregnancy

Other synonyms of amenorrheic include amenorrheal, amenorrhoeic.

amenorrheic (adjective)	amenorrhoeal (adjective)
related to the suppression of normal menstrual flow for any reason other than pregnancy	related to the suppression of normal menstrual flow for any reason other than pregnancy