| Answer | Crossword Clue |
|---|---|
| FEE | It's a charge |
| ION | It's attractive and has a charge |
| NEUTRON | It's free of charge |
| NEUTRINO | It's free of charge |
| ION | It's not free of charge |
| TOLLROAD | It's not free of charge |
| ION | It's never free of charge |
| TAPW | It's usually given free of charge |
