Relgar or Realgar: How To spell?

The word Relgar is misspelled against Realgar, a noun meaning "Arsenic sulphide, a mineral of a brilliant red color; red orpiment. It is also an artificial product."

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

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