crescence

from The Collaborative International Dictionary of English v.0.48

Crescence \Cres"cence\ (kr[e^]s"sens), n. [See {Crescent}.]
   Increase; enlargement. [Obs.]
   [1913 Webster]

         And toward the moon's attractive crescence bend. --H.
                                                  Brooke.
   [1913 Webster]