potato (CL:個|个[ge4]); (Tw) peanut (CL:顆|颗[ke1])
土 (Tǔ) · 3 strokes
Depicts a lump of dirt on the ground.
豆 (dòu) · 7 strokes
Pictograph of a stemmed bowl. Based on the original meaning "vessel with a neck". The current meaning is a phonetic loan.