The word Cusal is misspelled against Causal, meaning "Indicating or expressing a cause."
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Word contains consecutive vowels 'AU' in between alphabets c & sal is misspelled as 'U' as letter 'A' is phonetically ignored
Wrong Spelling:  c-u-sal 
Correct Spelling:  c-au-sal 
Check more misspelled words of Causal to spell it correct.