Fotbreadth or Footbreadth: How To spell?
The word Fotbreadth is misspelled against Footbreadth, a noun meaning "The breadth of a foot; -- used as a measure."
Footbreadth has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings f & tbreadth which should not be misspelled with single 'O'
Wrong Spelling:  f-o-tbreadth  Correct Spelling:  f-oo-tbreadth 
Find more incorrect spellings of Footbreadth to spell right way.