There are 14 words that start with 'fecu'.
| fecula | fecund | feculae | 
| feculent | feculence | fecundate | 
| fecundity | feculences | fecundated | 
| fecundates | fecundating | fecundation | 
| fecundities | fecundations | |
Note: These 14 words that start with 'fecu' are found from the USA & Canada version of the tournament Scrabble word list.