bound /baʊnd/ /baʊnd/
obliged /əblˈaɪdʒd/ /əblˈaɪdʒd/
obligated /ˈɑbləˌgeɪtɪd/ /ˈɒblɪgeɪtɪd/
duty-bound /dˈuːɾibˈaʊnd/ /djˈuːtibˈaʊnd/