unorthodoxy vs mental object

unorthodoxy and mental object both are nouns.

Word	Noun	Adjective	Verb	Adverb
unorthodoxy	Yes	No	No	No
mental object	Yes	No	No	No

As nouns, mental object is a hypernym of unorthodoxy; that is, mental object is a word with a broader meaning than unorthodoxy:

unorthodoxy: a belief that rejects the orthodox tenets of a religion
mental object: the sum or range of what has been perceived, discovered, or learned

Other hypernyms of unorthodoxy include cognitive content, content.

unorthodoxy (noun)	mental object (noun)
the quality of being unorthodox	the sum or range of what has been perceived, discovered, or learned
any opinions or doctrines at variance with the official or orthodox position
a belief that rejects the orthodox tenets of a religion