There are 10 words that start with 'pectin'.
| pectin | pectins | 
| pectines | pectinate | 
| pectinous | pectination | 
| pectinaceous | pectinations | 
| pectinesterase | pectinesterases | 
Note: These 10 words that start with 'pectin' are found from the USA & Canada version of the tournament Scrabble word list.