| Answer | Crossword Clue |
|---|---|
| TAU | ... neutrino (lepton with no charge) |
| NEUTRINO | Lepton with no charge |
| NEUTRINO | Elementary particle with no charge |
| NEUTRINO | Particle with no electric charge |
| NEUTRINO | Subatomic particle with no electric charge |
| cuff | without charge; with no payment expected |
| wats | bulk-rate telephone service that enables a subscriber to make an unlimited number of long-distance telephone calls within a given service area for a fixed monthly charge or to receive calls from given areas with no charge to the caller |
