The most common and most likely answer to this crossword clue is the 4 letter word CALS which also is the latest solution we found used in New York Times in 1942.
Sources of tungsten crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| CALS | 100 % | 4 | 
Words with a meaning similar to the clue: Sources of tungsten
These words may or may not be a possible solution to this crosswords clue.- scheelite
 - kiangsi
 - photoflood
 - wolframite
 - dextromethorphan
 - mak
 - make
 - molybdenite
 - wulfenite
 - metal
 - stellite
 - new
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution