Paterned or Patterned: How To spell?

The word Paterned is misspelled against Patterned, which is past tense of "Pattern"

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