There are 18 words that end with 'ellar'.
| cellar | ocellar | 
| stellar | micellar | 
| lamellar | nucellar | 
| patellar | umbellar | 
| glabellar | flagellar | 
| rostellar | scutellar | 
| subcellar | cerebellar | 
| columellar | saltcellar | 
| interstellar | circumstellar | 
Note: These 18 words that end with 'ellar' are found from the USA & Canada version of the tournament Scrabble word list.