The word Imigrated is misspelled against Immigrated, which is past tense of "Immigrate"
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Immigrated has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings i & igrated which should not be misspelled with single 'M'
Wrong Spelling:  i-m-igrated 
Correct Spelling:  i-mm-igrated 
Find more wrongly spelled words of Immigrated to spell it well.