There are 3 15-letter words that start with 'j'.
| judiciousnesses | jurisprudential |
| juxtapositional | |
Note: These 3 15-letter words that start with 'j' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with ja, ju, jo, je, ji, jn.
2-letter words start with 'j' (1)