15-Letter Words Start with 'ill'

There are 5 15-letter words that start with 'ill'.

illegalizations	illiberalnesses
illimitableness	illogicalnesses
illustriousness

Note: These 5 15-letter words that start with 'ill' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with illu, illi, ille, illo, illa, illn, ills, illy.

4-letter words start with 'ill' (2)
5-letter words start with 'ill' (1)
6-letter words start with 'ill' (4)
7-letter words start with 'ill' (11)
8-letter words start with 'ill' (14)
9-letter words start with 'ill' (15)
10-letter words start with 'ill' (19)
11-letter words start with 'ill' (25)
12-letter words start with 'ill' (24)
13-letter words start with 'ill' (9)
14-letter words start with 'ill' (13)
15-letter words start with 'ill' (5)