in common usage
常 · 11 strokes
Phonosemantic compound. 巾 represents the meaning and 尚 represents the sound. Based on the original meaning, "lower garment", now written as 裳. The current meaning is a phonetic loan.
用 · 5 strokes
Depicts a bucket with a handle on the right side. Based on the original meaning "bucket". The meaning of this character has shifted over time and now means "use".