Pretily or Prettily: How To spell?
The word Pretily is misspelled against Prettily, an adverb meaning "In a pretty manner."
Prettily has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings pre & ily which should not be misspelled with single 'T'
Wrong Spelling:  pre-t-ily  Correct Spelling:  pre-tt-ily 
Find more wrongly spelled words of Prettily to spell it well.