cyclic disorder vs cyclothymia

cyclic disorder and cyclothymia both are nouns.

Word	Noun	Adjective	Verb	Adverb
cyclic disorder	Yes	No	No	No
cyclothymia	Yes	No	No	No

As nouns, cyclic disorder and cyclothymia are synonyms defined as:

cyclic disorder and cyclothymia: a mild bipolar disorder that persists over a long time

Other synonyms of cyclic disorder include cyclothymic disorder.

cyclic disorder (noun)	cyclothymia (noun)
a mild bipolar disorder that persists over a long time	a mild bipolar disorder that persists over a long time