► 副詞
うんうん [(1)うんうん] [coll] meaning: moan rank: 3
☆ 彼は痛みでうんうん唸っている ⇨ He is moaning with pain
► 動詞
呻く [(2)うめく] meaning: moan rank: 2
☆ 負傷者があちこちで呻いていた ⇨ Injured people were moaning everywhere (☛ Moaning from pain)
► 名詞
呻き [うめき] meaning: moan rank: 3
☆ 怪我人の呻き声があちこちから聞こえた ⇨ The moaning of injured people were heard from everywhere (☛ Moaning from pain)