Areptitious or Arreptitious: How To spell?
The word Areptitious is misspelled against Arreptitious, an adjective meaning "Snatched away; seized or possessed, as a demoniac; raving; mad; crack-brained."
Arreptitious has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings a & eptitious which should not be misspelled with single 'R'
Wrong Spelling:  a-r-eptitious  Correct Spelling:  a-rr-eptitious 
Check more misspelled words of Arreptitious to spell it correct.