The word Treeng is misspelled against Treeing, which is present continuous of "Tree"
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Word contains consecutive vowels 'EI' in between alphabets tre & ng is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  tre-e-ng 
Correct Spelling:  tre-ei-ng 
Explore spell check of Treeing to spell without errors.