| Answer | Crossword Clue |
|---|---|
| PENTA | Deca- halved |
| ICOSA | Deca- doubled |
| ICOSA | Deca-doubled |
| ICOSI | Deca- doubled |
| HECT | Deca- squared |
| PENTA | Half deca- |
| ICOSA | Twice deca- |
| OCTA | Deca- minus two |
| ICOSA | Deca- times two |
| ENNEA | Between octa and deca |
| GON | Suffix with hexa- or deca- |
| GON | Ending with penta or deca |
| GON | Ending with deca or nona |
| GON | Suffix with "hexa-" or "deca-" |
| GON | Comb. form with deca or hexa |
| GON | Combining form used with penta, deca, etc. |
