Fatener or Fattener: How To spell?
The word Fatener is misspelled against Fattener, a noun meaning "One who, or that which, fattens; that which gives fatness or fertility."
Fattener has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings fa & ener which should not be misspelled with single 'T'
Wrong Spelling:  fa-t-ener  Correct Spelling:  fa-tt-ener 
Explore spell check of Fattener to spell without errors.