to change into; to turn into; to become
变 · 8 strokes
Simplified form of 變. Phonosemantic compound. 夂 represents the meaning and 䜌 represents the sound.
成 · 6 strokes
Depicts defending city walls (丁) with an axe (戌). 丁 also represents the sound. Based on the original meaning "city", now written as 城. The current meaning is a phonetic loan.