Hobyhorse or Hobbyhorse: How To spell?
The word Hobyhorse is misspelled against Hobbyhorse, a noun meaning "A stick, often with the head or figure of a horse, on which boys make believe to ride."
Hobbyhorse has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Ho & yhorse which should not be misspelled with single 'B'
Wrong Spelling:  Ho-b-yhorse  Correct Spelling:  Ho-bb-yhorse 
Find more incorrect spellings of Hobbyhorse to spell right way.