omni-omni- /ɒmnɪ $ ɑːm-/ prefix [in nouns and adjectives] 
everything or everywhere: 
an omnivore (=an animal that eats all kinds of food)
everything or everywhere: an omnivore (=an animal that eats all kinds of food)- contentious
- contentiously
- contentment
- contest
- contestant
- context
- contextual
- contextualize
- contextually
- contiguity
- contiguous
- contiguously
- continence
- continent
- continental
- continental breakfast
- Continental Congress
- Continental Divide
- continental drift
- continental quilt
- continental shelf
- contingency
- contingent
- continual
- continually