There are 11 words that start with 'decont'.
| decontrol | decontrols |
| decontrolled | decontaminate |
| decontrolling | decontaminated |
| decontaminates | decontaminator |
| decontaminating | decontamination |
| decontaminators | |
Note: These 11 words that start with 'decont' are found from the USA & Canada version of the tournament Scrabble word list.