Apalachian or Appalachian: How To spell?
The word Apalachian is misspelled against Appalachian, an adjective meaning "pertaining to a chain mountains in the United States, commonly called the Allegheny mountains."
Appalachian has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings a & alachian which should not be misspelled with single 'P'
Wrong Spelling:  a-p-alachian  Correct Spelling:  a-pp-alachian 
Find more wrongly spelled words of Appalachian to spell it well.