Frigaton or Frigatoon: How To spell?

The word Frigaton is misspelled against Frigatoon, a noun meaning "A Venetian vessel, with a square stern, having only a mainmast, jigger mast, and bowsprit; also a sloop of war ship-rigged."

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

You might be interested to know

Gowdnok or Gowdnook?

Hof or Hoof?

Jealoushod or Jealoushood?