OPPOSABILITY

\əpˌə͡ʊzəbˈɪlɪti], \əpˌə‍ʊzəbˈɪlɪti], \ə_p_ˌəʊ_z_ə_b_ˈɪ_l_ɪ_t_i]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.