Rainfal or Rainfall: How To spell?
The word Rainfal is misspelled against Rainfall, a noun meaning "A fall or descent of rain; the water, or amount of water, that falls in rain; as, the average annual rainfall of a region."
Rainfall has double 'll' in the end mispronounced as 'l'Remember double 'LL' appears in the end of this word which should not be misspelled with single 'L'
Wrong Spelling:  rainfa-l  Correct Spelling:  rainfa-ll 
Find more wrongly spelled words of Rainfall to spell it well.