autotype vs autotypy

autotype and autotypy both are nouns.

Word	Noun	Adjective	Verb	Adverb
autotype	Yes	No	No	No
autotypy	Yes	No	No	No

As nouns, autotype and autotypy are synonyms defined as:

autotype and autotypy: process for producing permanent prints in a carbon pigment

autotype (noun)	autotypy (noun)
an exact copy or reproduction	process for producing permanent prints in a carbon pigment
process for producing permanent prints in a carbon pigment