芋 is one of the most commonly used Japanese kanji, and it also has a lot of special readings in addition to the standard onyomi and kunyomi readings.
ONYOMI 音読み
いも imo
KUNYOMI 訓読み
ウ u
Examples
いもを食べるとおならがでる。Potatoes give me wind.最新のバイオ技術によって、芋の臭みを最小限に抑え、非常に飲みやすい「芋焼酎」です。It’s very easy to drink potato shochu now that the potato-like smell has been reduced to a low level through use of the latest biotechnology.最新のバイオ技術によって、芋の臭みを最小限に抑え、非常に飲みやすい「芋焼酎」です。It’s very easy to drink potato shochu now that the potato-like smell has been reduced to a low level through use of the latest biotechnology.