斐 is built from the 非 and 文 components.
It reads ヒ like 非, as do 悲, 扉, and 緋 — learn 非 once and the family's reading comes with it.
A common word using 斐 is 生き甲斐 (いきがい), meaning “something one lives for, very important”.
Kanji that look similar include 悲, 扉, 排, and 罪.
