Phytochemistry and Pyrochemistry

Phytochemistry noun - The branch of organic chemistry dealing with the chemistry of plants.

Pyrochemistry and phytochemistry are semantically related. In some cases you can replace term "Pyrochemistry" with "Phytochemistry", this nouns are similar.

Pyrochemistry noun - Processes for chemical reactions at high temperatures.

Phytochemistry and pyrochemistry are semantically related. You can use "Phytochemistry" instead a noun "Pyrochemistry".