券 is built from the 龹 (roll (top of 巻·券)) and 刀 components.
It belongs to a phonetic family with 巻 and 拳 — they share the 龹 component and the reading ケン.
A common word using 券 is 券 (けん), meaning “ticket, certificate”.
Kanji that look similar include 巻 and 拳.
