燧 (w)

(suì) fire; speculum; to obtain fire by drilling wood, striking flint, sun's rays etc

燧人 (w)

(suìrén) Suiren, legendary inventor of fire

燧人氏 (w)

(suìrénshì) Suirenshi, legendary inventor of fire

燧石 (w)

(suìshí) flint