There are 20 9-letter words that start with 'rat'.
| rataplans | ratcheted | ratemeter |
| ratepayer | ratfishes | raticides |
| ratifiers | ratifying | rationale |
| rationals | rationing | ratooners |
| ratooning | ratsbanes | rattailed |
| ratteners | rattening | rattlebox |
| rattlings | rattooned | |
Note: These 20 9-letter words that start with 'rat' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with rati, ratt, rata, rate, rato, rath, ratc, ratl, ratf, rats, ratb.
4-letter words start with 'rat' (4)