There are 14 words that start with 'conni'.
| conning | connive | connived | 
| conniver | connives | connivent | 
| connivers | connivery | conniving | 
| conniption | connivance | conniptions | 
| connivances | conniveries | |
Note: These 14 words that start with 'conni' are found from the USA & Canada version of the tournament Scrabble word list.