-ance
From Teflpedia
-ance is an English noun suffix, sometimes also spelt -ence.
Added to an adjective or verb to form a noun indicating a state or condition, such as result or capacity, associated with the verb. * ally + -ance → alliance * perform + -ance → performance * reluctant + -ance → reluctance
Added to a verb to form a noun indicating a process or action. * appear + -ance → appearance
- resist + -ance → resistance
There may be final y substitution, e.g. ally --> alliance.