Rhythm
noun, verbal noun
りつどう
律動 (りつどう) Rhythm
律動的 (りつどうてき) Rhythmical, Rhythmic
リズム (not on WK) Rhythm
拍子 (ひょうし) Beat, Rhythm, Tempo, The Moment
旋律 (せんりつ) Melody, Tune
活動 (かつどう) Activity
躍動 (やくどう) Vibrancy, Dynamic Movement, Lively Motion
鼓動 (こどう) Beat, Palpitate, Pulse, Throb
Rhythm and りつどう both start with a Rhy り sound.