Deterence or Deterrence: How To spell?
The word Deterence is misspelled against Deterrence, a noun meaning "That which deters; a deterrent; a hindrance."
Deterrence has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings dete & ence which should not be misspelled with single 'R'
Wrong Spelling:  dete-r-ence  Correct Spelling:  dete-rr-ence 
Explore spell check of Deterrence to spell without errors.