涡 ⇒
漩涡 xuánwō, [漩渦], whirlpool/eddy/vortex/(fig.) maelstrom
涡轮 wōlún, [渦輪], turbine
涡流 涡 guō/wō, [渦], name of a river, eddy/whirlpool
旋涡 xuánwō, [旋渦], spiral/whirlpool/eddy/vortex
涡轮机 涡旋 wōxuán, [渦旋], eddy/vortex
涡虫
桨 ⇒
桨 jiǎng, [槳], oar/paddle
螺旋桨 luóxuánjiǎng, [螺旋槳], propeller
划桨 huájiǎng, [划槳], to paddle
船桨