滑

Kanji: 滑
Level: N3
Meaning: slippery
On'yomi: カツ,コツ
Kun'yomi: すべ.る,なめ.らか
Strokes: 13
Common compounds: 滑る (すべる, to slide), 円滑 (えんかつ, smooth)
Memory hook: Water (氵) making bones (骨) slippery.