酢 is built from the 酉 and 乍 (suddenly (in 作·昨)) components.
It belongs to a phonetic family with 作, 昨, and 搾 — they share the 乍 component and the reading サク.
A common word using 酢 is 酢 (す), meaning “vinegar”.
Kanji that look similar include 尊, 猶, 酔, and 酪.
