General words:
* Pose: To assume a particular posture, especially for a photograph or painting.
* Posing: The act of assuming a particular posture.
* Poser: Someone who pretends to be something they are not.
* Impose: To force something on someone or something.
* Depose: To remove someone from a position of power, especially by force.
* Compose: To create something, especially a piece of music or writing.
* Discompose: To upset or disturb someone.
* Compose: To make up the parts of something.
More specific words:
* Exposition: A detailed explanation of a topic.
* Interpose: To put something between two things.
* Superimpose: To place one image over another.
* Proposition: A suggestion or proposal.
* Disposition: A person's usual mood or temperament.
* Transposition: The act of moving something from one place to another.
Let me know if you're looking for words with a different root, and I can help you find them!