The most common and most likely answer to this crossword clue is the 8 letter word OXIDIZER which also is the latest solution we found used in New York Times in 2021.
Substance that helps a spaceship's fuel burn crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| OXIDIZER | 100 % | 8 | 
Words with a meaning similar to the clue: Substance that helps a spaceship's fuel burn
These words may or may not be a possible solution to this crosswords clue.- aloe
 - oxidizer
 - combustible
 - ignite
 - stove
 - diesel
 - burnout
 - fire
 - lamp
 - emulsifier
 - conductor
 - set
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution