The word Gre is misspelled against Gree, a noun meaning "A step."
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Gree has double 'ee' in the end mispronounced as 'e'
Remember double 'EE' appears in the end of this word which should not be misspelled with single 'E'
Wrong Spelling:  gr-e 
Correct Spelling:  gr-ee 
Explore spell check of Gree to spell without errors.