There are 13 words that end with 'ngest'.
| ingest | congest | longest |
| wrongest | youngest | decongest |
| strangest | strongest | cunningest |
| knowingest | willingest | charmingest |
| swingingest | ||
Note: These 13 words that end with 'ngest' are found from the USA & Canada version of the tournament Scrabble word list.