悪声[akusei] bad voice
雨声[usei] sound of rain
怨声[ensei] complaint
黄色い声[kiiroikoe] shrill voice
音声[onsei] voice

音声圧縮[onseiasshuku] voice compression
音声学[onseigaku] phonetics
仮声[kasei] falsetto
家声[kasei] honour of the family
蚊のささやくような声[kanosasayakuyounakoe] faint voice

隠忍[innin] patience
押っ忍[osu] greeting used between close male friends
勘忍[kannin] pardon
堪忍袋の緒が切れる[kanninbukuronoogakireru] to be out of patience
堅忍[kennin] perseverance

堅忍不抜[kenninfubatsu] indomitable perseverance
残忍[zannin] cruelty
恥を忍ぶ[hajiwoshinobu] to abide one's shame
忍ばせる[shinobaseru] to conceal
忍び[shinobi] stealth