Tining or Tinning: How To spell?
The word Tining is misspelled against Tinning, a noun meaning "The act, art, or process of covering or coating anything with melted tin, or with tin foil, as kitchen utensils, locks, and the like."
Tinning has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings ti & ing which should not be misspelled with single 'N'
Wrong Spelling:  ti-n-ing  Correct Spelling:  ti-nn-ing 
Find more wrongly spelled words of Tinning to spell it well.