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

鄭重[teichou] polite
鄭声[teisei] (decadent) music of the state of Zheng

鄭箋[teisen] commentary on the Book of Odes by Zheng Xuan