| Lubricant |
GREASE |
| Make (signal) bigger |
AMPLIFY |
| Noise protector |
EARPLUG |
| Not guilty |
INNOCENT |
| Portion; musical work |
PIECE |
| Scope, extent or bounds (of something) |
AMBIT |
| Small seal (set in a ring) |
SIGNET |
| Stubborn, unruly |
REFRACTORY |
| Suspiciously cautious |
LEERY |
| Tranquillity |
PEACE |
| Try to equal or imitate |
EMULATE |
| Tube for air, cables, etc |
DUCT |
| Young swan |
CYGNET |
