Narowing or Narrowing: How To spell?
The word Narowing is misspelled against Narrowing, a noun meaning "The act of contracting, or of making or becoming less in breadth or extent."
Narrowing has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings na & owing which should not be misspelled with single 'R'
Wrong Spelling:  na-r-owing  Correct Spelling:  na-rr-owing 
Find more incorrect spellings of Narrowing to spell right way.