Unscrambling EXTENSIVE gives 113 words. EXTENSIVE is the longest, and EXTENSIVE scores the most at 19 points.
No other single word uses all 9 letters of EXTENSIVE. EXTENSIVE has 9 letters: 4 vowels and 5 consonants, worth 19 points before any board bonuses.
9-letter words 1
7-letter words 3
evenest10sixteen14tensive10
6-letter words 10
5-letter words 27
evens8event8evite8exine12exist12exits12inset5neist5neves8nieve8nites5nixes12seine5sente5senti5seven8sieve8sixte12stein5teens5tense5tines5veins8vents8vexes15vines8vixen15
4-letter words 34
even7eves7exes11exit11nest4nets4neve7nevi7next11nite4nits4nixe11seen4sene4sent4sext11sine4site4snit4teen4tees4tens4ties4tine4tins4vees7vein7vent7vest7vets7vext14vies7vine7vise7
3-letter words 26
ens3eve6ins3its3nee3net3nit3nix10see3sei3sen3set3sin3sit3six10tee3ten3tie3tin3tis3vee6vet6vex13vie6vis6xis10
2-letter words 12
en2es2et2ex9in2is2it2ne2si2ti2ts2xi9
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.