Engreoned or Engrained: How To spell?

The word Engreoned is misspelled against Engrained, which is past tense of "Engrain"

Word contains consecutive vowels 'AI' in between alphabets engr & ned is misspelled as 'EO'
Wrong Spelling:  engr-eo-ned 
Correct Spelling:  engr-ai-ned 
Find more incorrect spellings of Engrained to spell right way.

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