There are 19 words that start with 'ordi'.
| ordinal | ordines | 
| ordinals | ordinand | 
| ordinary | ordinate | 
| ordinally | ordinance | 
| ordinands | ordinates | 
| ordinances | ordinarier | 
| ordinaries | ordinarily | 
| ordination | ordinariest | 
| ordinations | ordinariness | 
| ordinarinesses | |
Note: These 19 words that start with 'ordi' are found from the USA & Canada version of the tournament Scrabble word list.