There are 15 words that start with 'orche'.
| orchestra | orchestral |
| orchestras | orchestrate |
| orchestrally | orchestrated |
| orchestrater | orchestrates |
| orchestrator | orchestraters |
| orchestrating | orchestration |
| orchestrators | orchestrations |
| orchestrational | |
Note: These 15 words that start with 'orche' are found from the USA & Canada version of the tournament Scrabble word list.