The most common and most likely answer to this crossword clue is the 8 letter word EOHIPPUS which also is the latest solution we found used in New York Times in 1946.
Primitive horse crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| EOHIPPUS | 100 % | 8 | 
Words with a meaning similar to the clue: Primitive horse
These words may or may not be a possible solution to this crosswords clue.- eohippus
 - dawn horse
 - gin
 - box
 - nox
 - crank
 - spear
 - corn
 - rising
 - atavism
 - bud
 - canoe
 
Crossword Answer definitions
EOHIPPUS noun- An extinct early Eocene mammal, Hyracotherium leporinum
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution