Overbred or Overbreed: How To spell?
The word Overbred is misspelled against Overbreed, a verb meaning "To breed to excess."
Overbreed has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Overbr & d which should not be misspelled with single 'E'
Wrong Spelling:  Overbr-e-d  Correct Spelling:  Overbr-ee-d 
Explore spell check of Overbreed to spell without errors.