* Omni - meaning "all" or "everything"
* Omnipotent - having unlimited power
* Omniscient - having infinite knowledge
* Omnipresent - being present everywhere at once
* Omnivorous - eating all types of food (plants and animals)
* Omnivore - an animal that eats both plants and animals
* Omni-directional - moving or facing in all directions
* Omnicompetent - having all the skills necessary
* Omni-channel - a multi-channel approach to marketing
* Omnium-gatherum - a miscellaneous collection of things
* Omni-bus - a public transport vehicle (from the Latin "omnibus", meaning "for all")
Let me know if you'd like to explore specific examples of how these words are used in sentences!