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)- compositional
- compositor
- compos mentis
- compost
- compostable
- compost heap
- composure
- compote
- compound
- compound fracture
- compound interest
- comprehend
- comprehensibility
- comprehensible
- comprehension
- comprehensive
- comprehensively
- comprehensiveness
- comprehensive school
- compress
- compressible
- compression
- compressor
- comprise
- compromise