The word Grined is misspelled against Grinned, which is past tense of "Grin"
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Grinned has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings gri & ed which should not be misspelled with single 'N'
Wrong Spelling: gri-n-ed
Correct Spelling: gri-nn-ed
Find more wrongly spelled words of Grinned to spell it well.