Common words:
* Botany: The scientific study of plants.
* Botanist: A scientist who studies plants.
* Botanical: Relating to plants or botany.
* Botanize: To collect and study plants.
Less common words:
* Botanophobia: Fear of plants.
* Botanomancy: Divination using plants.
* Botanophile: A lover of plants.
* Botanist's nightmare: A complex, difficult-to-identify plant.
Words related to specific types of plants:
* Bryophyte: A plant belonging to the division Bryophyta (mosses, liverworts, hornworts).
* Pteridophyte: A plant belonging to the division Pteridophyta (ferns, horsetails, whisk ferns).
* Gymnosperm: A plant belonging to the division Gymnospermae (conifers, cycads, ginkgoes).
* Angiosperm: A plant belonging to the division Magnoliophyta (flowering plants).
These are just a few examples. The root "botan" can be combined with various suffixes and prefixes to create a wide variety of words related to the study and appreciation of plants.