The letters in TALKING make 91 words of two letters or more. The longest is TALKING at 7 letters, and the highest-scoring is TALKING at 12 points.
No other single word uses all 7 letters of TALKING. TALKING has 7 letters: 2 vowels and 5 consonants, worth 12 points before any board bonuses.
7-letter words 1
6-letter words 2
laking11taking11
5-letter words 10
algin6align6giant6glint6kiang10liang6ligan6linga6takin9tilak9
4-letter words 36
agin5akin8alit4anil4anti4gain5gait5gilt5gink9glia5gnat5ikat8ilka8kail8kain8kali8kiln8kilt8kina8king9knit8lain4lang5lank8lati4ling5link8lint4nail4tail4tain4tali4talk8tang5tank8ting5
3-letter words 27
ail3ain3ait3alt3ani3ant3gal4gan4gat4gin4git4ilk7ink7kat7kin7kit7lag4lat3lin3lit3nag4nil3nit3tag4tan3til3tin3
2-letter words 15
ag3ai2al2an2at2in2it2ka6ki6la2li2ln2na2ta2ti2
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.