| Answer | Crossword Clue |
|---|---|
| PLASM | Combining form used with proto-, ecto-, etc. |
| GON | Combining form used with penta, deca, etc. |
| RATER | Combining form used with first-, second-, etc. |
| YESTER | Combining form used with day, year, etc. |
| GON | Combining form used with tetra, penta, etc. |
| CRAT | Combining form used with demo, pluto, etc. |
