| Answer | Crossword Clue |
|---|---|
| SIR | Common base word |
| TEN | Common base |
| TEN | Common-logarithm base |
| ROUX | Common sauce base |
| STYRENE | Common plastic base |
| whooper | common, Old World swan, Cygnus cygnus, distinguished by a yellow patch at the base of its bill, noted for its whooping cry |
| celandines | A common plant of the buttercup family that produces yellow flowers in the early spring, reproducing either by seed or by bulbils at the base of the stems |
