践 is built from the 足 and 戋 (small / narrow (in 浅·銭)) components.
It belongs to a phonetic family with 銭, 浅, and 桟 — they share the 戋 component and the reading セン.
A common word using 践 is 実践 (じっせん), meaning “practice, put into practice”.
Kanji that look similar include 跡, 路, 跳, and 距.
