There are 12 words that start with 'delim'.
| delime | delimed | 
| delimes | delimit | 
| deliming | delimits | 
| delimited | delimiter | 
| delimiters | delimiting | 
| delimitation | delimitations | 
Note: These 12 words that start with 'delim' are found from the USA & Canada version of the tournament Scrabble word list.