The letters in KNOCKING make 45 words of two letters or more. The longest is KNOCKING at 8 letters, and the highest-scoring is KNOCKING at 19 points.
No other single word uses all 8 letters of KNOCKING. KNOCKING has 8 letters: 2 vowels and 6 consonants, worth 19 points before any board bonuses.
8-letter words 1
7-letter words 3
conking14konking16nocking14
6-letter words 2
coking13coning9
5-letter words 4
coign8conin7incog8knock15
4-letter words 16
cion6coin6coni6conk10conn6gink9icon6ikon8kick14king9kink12kino8konk12nick10nock10oink8
3-letter words 13
cig6cog6con5gin4ick9ink7inn3ion3kin7koi7nog4non3oik7
2-letter words 6
go3in2ki6no2oi2on2
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.