Repelency or Repellency: How To spell?
The word Repelency is misspelled against Repellency, a noun meaning "The principle of repulsion; the quality or capacity of repelling; repulsion."
Repellency has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings repe & ency which should not be misspelled with single 'L'
Wrong Spelling:  repe-l-ency  Correct Spelling:  repe-ll-ency 
Explore spell check of Repellency to spell without errors.