There are 10 words that start with 'deval'.
| devalue | devalued | devalues | 
| devaluate | devaluing | devaluated | 
| devaluates | devaluating | devaluation | 
| devaluations | ||
Note: These 10 words that start with 'deval' are found from the USA & Canada version of the tournament Scrabble word list.