| Rating | Solver | Clue |
|---|---|---|
| KINGPIN | Essential person or thing | |
| LINCHPIN | Essential person or thing | |
| ATTRIBUTE | That which is attributed; a quality which is considered as belonging to, or inherent in, a person or thing; an essential or necessary property or characteristic. | |
| NATURE | ...person or thing what it is, as distinct from others; native character; inherent or essential qualities or attributes; peculiar constitution or q... |