Fatining or Fattining: How To spell?
The word Fatining is misspelled against Fattining, which is present continuous of "Fatten"
Fattining has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings fa & ining which should not be misspelled with single 'T'
Wrong Spelling:  fa-t-ining  Correct Spelling:  fa-tt-ining 
Find more wrongly spelled words of Fattining to spell it well.