There are 108 words hidden in the letters of EXTENDING, from 11 two-letter words up to EXTENDING (9 letters). For points, EXTENDING is best at 18.
No other single word uses all 9 letters of EXTENDING. EXTENDING has 9 letters: 3 vowels and 6 consonants, worth 18 points before any board bonuses.
9-letter words 1
7-letter words 6
6-letter words 16
5-letter words 14
deign7dexie13diene6dinge7exine12genet6genie6index13inned6nixed13teind6tenge6tined6tinge6
4-letter words 32
deet5dene5dent5diet5dine5ding6dint5dite5edge6edit5eide5exit11geed6gene5gent5gied6gien5gite5need5nene4next11nide5nine4nite4nixe11teed5teen4tend5tide5tied5tine4ting5
3-letter words 28
dee4den4dex11die4dig5din4dit4end4eng4ged5gee4gen4get4gid5gie4gin4git4inn3nee3net3nit3nix10ted4tee3teg4ten3tie3tin3
2-letter words 11
de3ed3en2et2ex9id3in2it2ne2ti2xi9
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.