There are 16 words that start with 'sono'.
| sonovox | sonobuoy |
| sonogram | sonorant |
| sonority | sonorous |
| sonobuoys | sonograms |
| sonorants | sonovoxes |
| sonography | sonorities |
| sonorously | sonographies |
| sonorousness | sonorousnesses |
Note: These 16 words that start with 'sono' are found from the USA & Canada version of the tournament Scrabble word list.