| A | B |
| de | reduce, away, down, remove |
| dec/a, deka | ten |
| deci | one tenth |
| dem/o | people |
| demi | half, less, than |
| dendr/o/i | tree |
| dent/dont | tooth |
| derm/a | skin |
| di/plo | two, twice |
| di/s | apart, away, not, to the opposite |
| dia | through, between, apart, across |
| dict | speak |
| domin | master |
| don/st | give |
| duc/t | lead |
| du/o | two, twice |
| dur | harden, to last, lasting |
| dyn/a/am | power, energy, strength |
| dys | abnormal, bad |
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