Matered or Mattered: How To spell?

The word Matered is misspelled against Mattered, which is past tense of "Matter"

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