The most common and most likely answer to this crossword clue is the 3 letter word EON which also is the latest solution we found used in Universal uClick in 2018.
Billion-year span crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| EON | 100 % | 3 |
Words with a meaning similar to the clue: Billion-year span
These words may or may not be a possible solution to this crosswords clue.- eon
- aeon
- ano
- decade
- aire
- tard
- millennium
- bimillenary
- millenary
- millennial
- millennian
- turn
Crossword Answer definitions
EON noun- Eternity.
- A period of 1,000,000,000 years.
- The longest time period used in geology.
- A long period of time.
- (usually spelled aeon or æon) A spirit being emanating from the Godhead.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution