There are 11 words that start with 'millim'.
| millime | millimes | millimho |
| millimhos | millimole | millimeter |
| millimolar | millimoles | millimeters |
| millimicron | millimicrons | |
Note: These 11 words that start with 'millim' are found from the USA & Canada version of the tournament Scrabble word list.