VERBAL NOUN

\vˈɜːbə͡l nˈa͡ʊn], \vˈɜːbə‍l nˈa‍ʊn], \v_ˈɜː_b_əl n_ˈaʊ_n]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd