There are 17 words that start with 'dextr'.
| dextro | dextral |
| dextran | dextrin |
| dextrans | dextrine |
| dextrins | dextrose |
| dextrous | dextrally |
| dextrines | dextrorse |
| dextroses | dextranase |
| dextranases | dextrorotary |
| dextrorotatory | |
Note: These 17 words that start with 'dextr' are found from the USA & Canada version of the tournament Scrabble word list.