There are 15 12-letter words that start with 'disp'.
| dispensaries | dispensation | dispensatory | 
| dispersively | dispiritedly | displaceable | 
| displacement | displeasures | disportments | 
| dispositions | dispossessed | dispossesses | 
| dispossessor | disputations | disputatious | 
Note: These 15 12-letter words that start with 'disp' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with dispe, displ, dispo, dispr, dispa, dispu, dispi.
6-letter words start with 'disp' (1)