字Study Chinese Characters
辛

xīn bitter; toilsome

Component (a building block) — not the same thing as a radical or a sound component. · 7strokes

Forms

Characters that use it as a component

宰辜

Characters filed under it as a radical

Kangxi radical no.160 · 7strokes — The 214 Kangxi radicals

Filed under it in a dictionary. That is a lookup convention — it does not mean it is the only part the character is built from.

辛辜