The most common and most likely answer to this crossword clue is the 5 letter word SULFA which also is the latest solution we found used in USA Today in 1997.
Penicillin predecessor crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| SULFA | 100 % | 5 |
Words with a meaning similar to the clue: Penicillin predecessor
These words may or may not be a possible solution to this crosswords clue.- sulfa
- see
- chain
- fleming
- mold
- ether
- amoxicillin
- amoxil
- ampicillin
- antibiotic
- griseofulvin
- methicillin
Crossword Answer definitions
SULFA noun- A sulfonamide or sulfanilamide.
- Of or containing sulfonamide or sulfanilamide.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution