Phytotoxin and Tubocurarine

Phytotoxin noun - Any substance produced by plants that is similar in its properties to extracellular bacterial toxin.

Tubocurarine and phytotoxin are semantically related. In some cases you can replace term "Tubocurarine" with "Phytotoxin", this nouns are similar.

Tubocurarine noun - A toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles.

Phytotoxin and tubocurarine are semantically related. You can use "Phytotoxin" instead a noun "Tubocurarine".