amenorrheic vs amenorrheal

amenorrheic and amenorrheal both are adjectives.

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

As adjectives, amenorrheic and amenorrheal are synonyms defined as:

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

Other synonyms of amenorrheic include amenorrhoeal, amenorrhoeic.

amenorrheic (adjective)	amenorrheal (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