Apalling or Appalling: How To spell?
The word Apalling is misspelled against Appalling, an adjective meaning "Such as to appall; as, an appalling accident."
Appalling has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings a & alling which should not be misspelled with single 'P'
Wrong Spelling:  a-p-alling  Correct Spelling:  a-pp-alling 
Find more wrongly spelled words of Appalling to spell it well.