There are 10 13-letter words that start with 'mor'.
| moralizations | moribundities |
| morphemically | morphogeneses |
| morphogenesis | morphogenetic |
| morphological | morphologists |
| morphometries | mortification |
Note: These 10 13-letter words that start with 'mor' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with mort, morp, mora, moro, more, mord, morg, morb, morr, mors, moru, mori, morn, morc.
4-letter words start with 'mor' (5)