Grafian or Graafian: How To spell?

The word Grafian is misspelled against Graafian, an adjective meaning "Pertaining to, or discovered by, Regnier de Graaf, a Dutch physician."

Graafian has double "aa" is mispronounced as "a"
Remember double 'AA' in between the strings Gr & fian which should not be misspelled with single 'A'
Wrong Spelling:  Gr-a-fian 
Correct Spelling:  Gr-aa-fian 
Find more wrongly spelled words of Graafian to spell it well.

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