The Collaborative International Dictionary of English v.0.48:

Suffrance \Suf"france\, n.
   Sufferance. [Obs.] --Chaucer.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

SUFFRANCE. The permitting a tenant who came in by a lawful title, to remain
after his right has expired. Vide Estates at suffrance.