There are 6 12-letter words that start with 'lim'.
| limbernesses | limelighting | limitational | 
| limnological | limnologists | limpidnesses | 
Note: These 6 12-letter words that start with 'lim' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with limi, limb, limp, lime, limn, limo, lima, limu, limm, limy.
4-letter words start with 'lim' (7)