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

谿間[keikan] ravine
谿谷[keikoku] valley
谿声[keisei] sound of a valley stream
谿壑[keigaku] ravine

谿澗[keikan] mountain stream
谿水[keisui] mountain stream
谿泉[keisen] a spring that gushes forth from a valley