Motling or Mottling: How To spell?
The word Motling is misspelled against Mottling, which is present continuous of "Mottle"
Mottling has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings mo & ling which should not be misspelled with single 'T'
Wrong Spelling:  mo-t-ling  Correct Spelling:  mo-tt-ling 
Find more incorrect spellings of Mottling to spell right way.