The most common and most likely answer to this crossword clue is the 4 letter word VOCE which also is the latest solution we found used in Boston Globe in 2011.
"Sotto __" (in an undertone) crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| VOCE | 100 % | 4 | 
Words with a meaning similar to the clue: "Sotto __" (in an undertone)
These words may or may not be a possible solution to this crosswords clue.- aloud
 - aside
 - swell
 - swelled
 - amidah
 - aye
 - nay
 - oral
 - orally
 - spoken
 - verbal
 - viva
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution