Caruncle and Lappet

Caruncle noun - An outgrowth on a plant or animal such as a fowl's wattle or a protuberance near the hilum of certain seeds.

Lappet and caruncle are semantically related. In some cases you can replace term "Lappet" with "Caruncle", this nouns are similar.

Lappet noun - A fleshy wrinkled and often brightly colored fold of skin hanging from the neck or throat of certain birds (chickens and turkeys) or lizards.

Caruncle and lappet are semantically related. Sometimes you can use "Caruncle" instead a noun "Lappet".