Mased or Massed: How To spell?

The word Mased is misspelled against Massed, which is past tense of "Mass"

Massed has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings ma & ed which should not be misspelled with single 'S'
Wrong Spelling: ma-s-ed
Correct Spelling: ma-ss-ed
Explore spell check of Massed to spell without errors.