The best answer is RICH for crossword clue Oil-___ has been discovered. RICH's lenght is 4 . You can accurately search based on a specific length. There are also 4 related clues available.
| Length | Word | Clue |
|---|---|---|
| 4 | RICH | Oil-___ |
| Length | Word | Clue |
|---|---|---|
| 3 | STP | Motor Oil Brand |
| 4 | OPEC | Major Oil Acronym |
| 4 | TURK | Native Of The Country Whose National Sport Is Oil Wrestling |
| 7 | CONGEAL | What Oil May Do In Frigid Temperatures |