Cathartid and Laxative

Cathartid noun - Large birds of prey superficially similar to Old World vultures.

Laxative and cathartid are semantically related. In some cases you can use "Laxative" instead the word "Cathartid" as a noun or an adjective.

Laxative noun - A mild cathartic.

Cathartid and laxative are semantically related. Sometimes you can replace term "Cathartid" with "Laxative", this nouns are similar.