Prerm or Prearm: How To spell?

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

Prearm has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets pr & rm is misspelled as 'E'
Wrong Spelling:  pr-e-rm 
Correct Spelling:  pr-ea-rm 
Explore spell check of Prearm to spell without errors.

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