Quintile

A Group of aspects, introduced by Kepler, based on a division of one-fifth of the circle. They have had limited adoption, and their value is chiefly in directions. They are:
Bi-Quintile…………………… 144°    
Tridecile…………………….. 108°    
Quintile (one-fifth of 360°)……. 72°    
Decile or Semi-Quintile………… 36°    
Quindecile……………………. 24°    
Semi-Decile, or Vigintile………. 18°

DeVore, Nicholas. Encyclopedia of Astrology. New York: Philosophical Library, 1947.