Teston or Testoon: How To spell?

The word Teston is misspelled against Testoon, a noun meaning "An Italian silver coin. The testoon of Rome is worth 1s. 3d. sterling, or about thirty cents."

--> Testoon has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings test & n which should not be misspelled with single 'O'
Wrong Spelling:  test-o-n 
Correct Spelling:  test-oo-n 
Find more incorrect spellings of Testoon to spell right way.

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