There are 9 words that start with 'fecun'.
| fecund | fecundate | fecundity | 
| fecundated | fecundates | fecundating | 
| fecundation | fecundities | fecundations | 
Note: These 9 words that start with 'fecun' are found from the USA & Canada version of the tournament Scrabble word list.