一絃琴[ichigenkin] single-stringed Japanese zither
管絃楽[kangengaku] orchestral music
絃楽[gengaku] music for strings
絃楽器[gengakki] stringed instruments
絃声[gensei] sound of the strings

絃線[gensen] catgut
五絃[gogen] five strings
三絃[sangen] three-stringed instrument
絃歌[genka] singing and (string) music