There are 12 words that start with 'delo'.
| delouse | deloused | 
| delouser | delouses | 
| delousers | delousing | 
| delocalize | delocalized | 
| delocalizes | delocalizing | 
| delocalization | delocalizations | 
Note: These 12 words that start with 'delo' are found from the USA & Canada version of the tournament Scrabble word list.