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