divergency divergency /daɪˈvɜrdʒənsi/

noun

1. The act of moving away in different direction from a common point  ( divergency , divergence )
   the act of moving away in different direction from a common point
    An angle is formed by the divergence of two straight lines
   an angle is formed by the divergence of two straight lines
   
2. An infinite series that has no limit  ( divergence , divergency )
   an infinite series that has no limit