Underfurow or Underfurrow: How To spell?
The word Underfurow is misspelled against Underfurrow, a verb meaning "To cover as under a furrow; to plow in; as, to underfurrow seed or manure."
Underfurrow has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings underfu & ow which should not be misspelled with single 'R'
Wrong Spelling:  underfu-r-ow  Correct Spelling:  underfu-rr-ow 
Check more misspelled words of Underfurrow to spell it correct.