The most common and most likely answer to this crossword clue is the 6 letter word METROS which also is the latest solution we found used in LA Times in 2020.
Some undergrounds crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| METROS | 100 % | 6 | 
Words with a meaning similar to the clue: Some undergrounds
These words may or may not be a possible solution to this crosswords clue.- troll
 - mushroom
 - mycelium
 - rhizome
 - tunnel
 - tunneling
 - subcellar
 - authorities
 - clubs
 - dailies
 - activists
 - administrators
 
Crossword Answer definitions
METROS noun- An underground railway.
 - A train that runs on such an underground railway.
 - An urban rapid transit light railway
 - A train that runs on such a railway.
 
- A metropolitan area
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution