There are 16 words that start with 'chon'.
| chon | chondrite | 
| chondroma | chondrule | 
| chondrites | chondritic | 
| chondromas | chondrules | 
| chondroitin | chondromata | 
| chondriosome | chondroitins | 
| chondriosomes | chondrocrania | 
| chondrocranium | chondrocraniums | 
Note: These 16 words that start with 'chon' are found from the USA & Canada version of the tournament Scrabble word list.