There are 6 12-letter words that start with 'sar'.
| sarcomatoses | sarcomatosis | sarcoplasmic | 
| sardonically | sardonicisms | sarsaparilla | 
Note: These 6 12-letter words that start with 'sar' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with sarc, sard, saro, sars, sara, sarg, sart, sark, sari, sarm, sare, sarr.
4-letter words start with 'sar' (3)