There are 18 10-letter words that start with 'fer'.
| feracities | feretories | fermenters |
| fermenting | fermentors | ferocities |
| ferredoxin | ferrelling | ferretings |
| ferrocenes | ferrotyped | ferrotypes |
| ferryboats | fertilized | fertilizer |
| fertilizes | fervencies | fervidness |
Note: These 18 10-letter words that start with 'fer' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with ferr, ferm, fert, ferv, fern, feri, feru, fero, fera, fere, ferl, ferb.
4-letter words start with 'fer' (2)