Arum and Taro

Arum noun - Any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe.

Taro and arum are semantically related. In some cases you can replace term "Taro" with "Arum", this nouns are similar.

Taro noun - Herb of the Pacific islands grown throughout the tropics for its edible root and in temperate areas as an ornamental for its large glossy leaves.

Arum and taro are semantically related. Sometimes you can use "Arum" instead a noun "Taro".