Here are some words using the "tropo" prefix:
* Troposphere: The lowest layer of Earth's atmosphere.
* Tropopause: The boundary between the troposphere and the stratosphere.
* Tropospheric: Relating to the troposphere.
* Tropotropic: A term used in botany, describing the growth of a plant in response to a stimulus (e.g., light, gravity).
There are also some less common words with "tropo" prefix, mostly related to specialized scientific fields:
* Tropotaxis: The movement of an organism in response to a stimulus (e.g., light, gravity).
* Tropophyll: A leaf adapted to a particular environment, often with specialized features for survival.
If you're trying to find words with a different prefix, please clarify what you're looking for!