autocoid vs autacoid

autocoid and autacoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
autocoid	Yes	No	No	No
autacoid	Yes	No	No	No

As nouns, autocoid and autacoid are synonyms defined as:

autocoid and autacoid: any physiologically active internal secretion especially one of uncertain classification

autocoid (noun)	autacoid (noun)
any physiologically active internal secretion especially one of uncertain classification	any physiologically active internal secretion especially one of uncertain classification