There are 5 14-letter words that start with 'lib'.
| liberalization | liberationists | 
| libertarianism | libidinousness | 
| librarianships | |
Note: These 5 14-letter words that start with 'lib' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with libe, libr, libi, liba, libb, libl, libs.
4-letter words start with 'lib' (1)