diestrous vs dioestrual

diestrous and dioestrual both are adjectives.

Word	Noun	Adjective	Verb	Adverb
diestrous	No	Yes	No	No
dioestrual	No	Yes	No	No

As adjectives, diestrous and dioestrual are synonyms defined as:

diestrous and dioestrual: (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity

Other synonyms of diestrous include diestrual, dioestrous.

diestrous (adjective)	dioestrual (adjective)
(of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity	(of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity