| Answer | Crossword Clue |
|---|---|
| rubberier | RUBBERY, resembling an elastic substance |
| rubberiest | RUBBERY, resembling an elastic substance |
| rubbery | resembling an elastic substance |
| resilin | an elastic substance in the cuticles of many insects |
| resilins | RESILIN, an elastic substance in the cuticles of many insects |
| whalebones | An elastic horny substance that grows in a series of thin parallel plates in the upper jaw of some whales and is used by them to strain plankton from the seawater |
