- 里芋 — taro
- 芋虫 — caterpillar (lit. “tuber worm”)
- 芋焼酎 — shōchū distilled from sweet potatoes
- 種芋 — seed potato (tuber used for planting)
- 芋づる式 — “tuber-vine style”; one thing leads to another
芋 places the plant radical 艹 on top of the phonetic 于 (ウ). With the “plant” hint, the character singles out a specific edible plant part: the tuber.