The word Karusm is misspelled against Karaism, a noun meaning "Doctrines of the Karaites."
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Word contains consecutive vowels 'AI' in between alphabets kar & sm is misspelled as 'U'
Wrong Spelling:  kar-u-sm 
Correct Spelling:  kar-ai-sm 
Check more misspelled words of Karaism to spell it correct.