There are 12 words that start with 'symbi'.
| symbion | symbiot |
| symbions | symbiont |
| symbiote | symbiots |
| symbionts | symbioses |
| symbiosis | symbiotes |
| symbiotic | symbiotically |
Note: These 12 words that start with 'symbi' are found from the USA & Canada version of the tournament Scrabble word list.