吟 is built from the 口 and 今 components.
It reads ギン like 今, as do 琴 — learn 今 once and the family's reading comes with it.
A common word using 吟 is 吟味 (ぎんみ), meaning “examination, careful investigation”.
Kanji that look similar include 別, 君, 否, and 含.
