Helspur or Heelspur: How To spell?
The word Helspur is misspelled against Heelspur, a noun meaning "A slender bony or cartilaginous process developed from the heel bone of bats. It helps to support the wing membranes. See Illust. of Cheiropter."
Heelspur has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings H & lspur which should not be misspelled with single 'E'
Wrong Spelling:  H-e-lspur  Correct Spelling:  H-ee-lspur 
Check more misspelled words of Heelspur to spell it correct.