This puzzle
- LevelHard
- StartGREAT
- TargetGROOM
- Letters5
- Par7
From GREAT to GROOM: 5-letter words, par 7.
3 of the 5 letters differ, so no ladder can be shorter than 3 steps; par 7 means the best route needs 4 detours through a letter that is in neither word.
Letters 1 and 2 already match the target.
Tap a letter of the last word, type the new letter, press Enter. Rules and tips for Word Ladder