| Rating | Solver | Clue |
|---|---|---|
| SOMETIME | Any date | |
| EPOCH | ...sed in computing the place of a planet, or other heavenly body, at any other date, are given; as, the epoch of Mars; lunar elements for the epoc... | |
| PLANISPHERE | ...time of rising and setting of stars, etc., for any given date or hour. ... | |
| VACCINE | Any preparation used to render an organism immune to some disease, by inducing or increasing the natural immunity mechanisms. Prior to 1995, su... |