The most common and most likely answer to this crossword clue is the 7 letter word PROPANE which also is the latest solution we found used in New York Times in 2018.
C3H8, familiarly crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| PROPANE | 100 % | 7 | 
Words with a meaning similar to the clue: C3H8, familiarly
These words may or may not be a possible solution to this crosswords clue.- alkane
 - propane
 - acquainted
 - bossy
 - cat
 - commune
 - comune
 - crack
 - familiarize
 - free
 - goodman
 - hobnob
 
Crossword Answer definitions
PROPANE noun- An aliphatic hydrocarbon, C3H8, a constituent of natural gas.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution