sophistry vs sophism

sophistry and sophism both are nouns.

Word	Noun	Adjective	Verb	Adverb
sophistry	Yes	No	No	No
sophism	Yes	No	No	No

As nouns, sophistry and sophism are synonyms defined as:

sophistry and sophism: a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone

Other synonyms of sophistry include sophistication.

sophistry (noun)	sophism (noun)
a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone	a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone