The word Pusing is misspelled against Pausing, which is present continuous of "Pause"
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Word contains consecutive vowels 'AU' in between alphabets p & sing is misspelled as 'U' as letter 'A' is phonetically ignored
Wrong Spelling:  p-u-sing 
Correct Spelling:  p-au-sing 
Check more misspelled words of Pausing to spell it correct.