Preirm or Prearm: How To spell?

The word Preirm is misspelled against Prearm, a verb meaning "To forearm."

Prearm has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets pr & rm is misspelled as 'EI'
Wrong Spelling:  pr-ei-rm 
Correct Spelling:  pr-ea-rm 
Find more wrongly spelled words of Prearm to spell it well.

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