speed; rate; velocity; (music) tempo; CL:個|个[ge4]
速 (sù) · 10 strokes
Phonosemantic compound. 辶 represents the meaning and 束 represents the sound.
度 (dù) · 9 strokes
Phonosemantic compound. 又 represents the meaning (using a hand to measure something) and 石 represents the sound.