The word Tuning is misspelled against Tunning, which is present continuous of "Tun"
-->
Tunning has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings tu & ing which should not be misspelled with single 'N'
Wrong Spelling: tu-n-ing
Correct Spelling: tu-nn-ing
Check more misspelled words of Tunning to spell it correct.