| Answer | Crossword Clue |
|---|---|
| ETHER | Standard anesthetic, once |
| COCAINE | Anesthetic, once |
| ETHER | Once-popular anesthetic |
| ETHER | Inhalation anesthetic, once |
| ETHERS | Anesthetic choices, once |
| ESSO | Standard Oil, once |
| OIL | Standard product, once |
| ESSO | Subsidiary of Standard Oil, once |
| ESSO | Standard Oil of New Jersey, once |
| REO | Car once called "The Gold Standard of Values" |
| REOS | Cars once advertised as "The Gold Standard of Value" |
| SCRIPT | Once-standard subject no longer taught in most schools |
