忄 xīn heart
Made with 3 strokes.
A very much simplified picture of a heart. Often used in characters for emotions: busy, angry, fear and love.
Sounds same
新 xīn (new) 辛 xīn (hard)Different tone
信 xìn (letter)Full character form of this simplified radical: 心 xīn
Radical
Index 61 used in: 懂 dǒng (to understand) ; 悔 huǐ (to regret) ; 惊 jīng (to start) ; 快 kuài (rapid) ; 怜 lián (to pity) ; 忙 máng (busy) ; 怕 pà (to be afraid) ; 情 qíng (affection) ; 忆 yì (to recollect)
Stroke order for character 忄, kindly provided under Wikimedia creative commons license ➚