sophism vs sophistry

sophism and sophistry both are nouns.

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

As nouns, sophism and sophistry are synonyms defined as:

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

Other synonyms of sophism include sophistication.

sophism (noun)	sophistry (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