factory vs manufactory

factory and manufactory both are nouns.

Word	Noun	Adjective	Verb	Adverb
factory	Yes	No	No	No
manufactory	Yes	No	No	No

As nouns, factory and manufactory are synonyms defined as:

factory and manufactory: a plant consisting of one or more buildings with facilities for manufacturing

Other synonyms of factory include manufacturing plant, mill.

factory (noun)	manufactory (noun)
a plant consisting of one or more buildings with facilities for manufacturing	a plant consisting of one or more buildings with facilities for manufacturing