Marow or Marrow: How To spell?
The word Marow is misspelled against Marrow, a noun meaning "One of a pair; a match; a companion; an intimate associate."
Marrow has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings ma & ow which should not be misspelled with single 'R'
Wrong Spelling:  ma-r-ow  Correct Spelling:  ma-rr-ow 
Find more incorrect spellings of Marrow to spell right way.