The word Pyrhonism is misspelled against Pyrrhonism, a noun meaning "Skepticism; universal doubt."
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Pyrrhonism has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings py & honism which should not be misspelled with single 'R'
Wrong Spelling:  py-r-honism 
Correct Spelling:  py-rr-honism 
Find more incorrect spellings of Pyrrhonism to spell right way.