| A | B |
| autocracy | government by individual with complete power |
| democracy | government by the people |
| aristocrat | one of a ruling class who is a noble |
| plutocrat | one who has power because of wealth |
| theocrat | one who rules using divine laws |
| autocratic | ruling with unlimited power |
| credible | capable of being believed |
| creditor | one to whom money is owed |
| decapitate | to remove the head |
| deduct | to take away an amount |
| dehydrate | to remove water from |
| decade | a period of ten years |
| decathlon | an athletic contest of ten events |
| decagon | geometric with figure 10 sides |
| decagram | a metric measure of weight of ten grams |
| decahedron | a solid geometric figure bounded by ten sides |
| decaliter | a metric measure of volume of 10 liters |
| Decalogue | the ten commandments |
| decameter | a measure of length equal to ten meters |
| December | the twelfth month of year |
| decimal | a number in the scale of 10 |
| decimate | to destroy or take part of |
| decuple | tenfold; consiting of ten |
| decillion | number with 33 zeros after it |
| cracy,crat,cratic | rule;government;power |
| CRED, Credit | belief; trust; faith |
| De- | to remove or undo, down |
| Dec, Deca,Deci,Decim,Decu | ten; a tenth part- |