謡 is built from the 言 and 䍃 (kiln (in 揺·謡)) components.
It belongs to a phonetic family with 揺 and 遥 — they share the 䍃 component and the reading ヨウ.
A common word using 謡 is 歌謡 (かよう), meaning “song, ballad”.
Kanji that look similar include 諭, 諮, 謀, and 誕.