Propeler or Propeller: How To spell?
The word Propeler is misspelled against Propeller, a noun meaning "A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel."
Propeller has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings prope & er which should not be misspelled with single 'L'
Wrong Spelling:  prope-l-er  Correct Spelling:  prope-ll-er 
Find more incorrect spellings of Propeller to spell right way.