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