OPERANCE

\ˈɒpəɹəns], \ˈɒpəɹəns], \ˈɒ_p_ə_ɹ_ə_n_s]\
Sort: Oldest first
 
2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.