Tetered or Tettered: How To spell?

The word Tetered is misspelled against Tettered, which is past tense of "Tetter"

Tettered has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings te & ered which should not be misspelled with single 'T'
Wrong Spelling:  te-t-ered 
Correct Spelling:  te-tt-ered 
Explore spell check of Tettered to spell without errors.

You might be interested to know

Tuti or Tutti?

Utermore or Uttermore?

Wity or Witty?