The letters in INTERNALS make 573 words of two letters or more. The longest is INTERNALS at 9 letters, and the highest-scoring is INTERNALS at 9 points.
No other single word uses all 9 letters of INTERNALS. INTERNALS has 9 letters: 3 vowels and 6 consonants, worth 9 points before any board bonuses.
9-letter words 1
8-letter words 8
7-letter words 49
aliners7anestri7anilest7antlers7antsier7elastin7ensnarl7entails7entrain7inanest7insaner7insnare7interns7lanners7lantern7latrine7linnets7linters7nailers7nailset7nastier7ratines7ratline7ratlins7realist7reliant7renails7rentals7retails7retains7retinal7retinas7retsina7salient7saltern7saltier7saltine7saltire7slainte7slatier7stainer7stanine7stearin7sternal7tailers7tanners7tenails7tinners7trenail7
6-letter words 107
airest6alerts6aliens6aliner6alines6alters6anenst6aniler6antler6antres6ariels6arisen6arsine6artels6astern6elains6elints6enlist6entail6estral6estrin6inaner6inanes6inerts6inlets6innate6inners6insane6insert6instal6instar6intern6inters6lanner6larine6laster6latens6learns6learnt6lianes6linear6linens6liners6linnet6linter6listen6lister6liters6litres6nailer6narine6niters6nitres6ratels6ratine6ratlin6relist6renail6renins6rental6resail6retail6retain6retial6retina6sailer6saline6salter6saltie6santir6sarnie6satire6seitan6sennit6serail6serial6sienna6silane6silent6sinner6sinter6slater6staler6stelai6stelar6sterna6strain6striae6tailer6talers6tanner6tenail6tenias6tennis6terais6tilers6tineal6tineas6tinner6tinsel6tisane6trails6trains6trials6triens6trinal6trines6
5-letter words 161
airns5airts5aisle5alert5alien5aline5alist5alter5anent5anile5anils5anise5antes5antis5antre5ariel5arils5arise5arles5artel5aster5astir5earls5earns5elain5elans5elint5entia5etnas5inane5inert5inlet5inner5inset5inter5irate5islet5istle5lairs5lanes5lares5laris5laser5laten5later5leans5leant5learn5lears5least5lenis5liane5liars5liens5liers5linen5liner5lines5linns5lints5liras5litas5liter5litre5nails5nares5naris5nates5nears5neats5neist5neral5nerts5nines5niter5nites5nitre5rails5rains5raise5rales5ranis5rants5ratel5rates5reals5reins5relit5renal5renin5rents5resat5resin5resit5retia5rials5riant5riels5riles5rinse5risen5rites5saint5saner5sarin5satin5senna5senti5serai5seral5serin5setal5siren5sitar5slain5slant5slate5slier5snail5snare5snarl5stain5stair5stale5stane5stare5steal5stein5stela5stern5stile5stria5taels5tails5tains5taler5tales5tares5tarns5tarsi5taser5teals5tears5telia5tenia5terai5terns5tesla5tiers5tiler5tiles5tinea5tines5tires5tirls5trail5train5trans5trial5tries5trine5
4-letter words 145
ails4ains4airn4airs4airt4aits4ales4alit4alts4anes4anil4anis4ante4anti4ants4ares4aril4arts4ates4earl4earn4ears4east4eats4elan4eras4erns4erst4etas4etna4ilea4inns4ires4isle4lain4lair4lane4lari4lars4lase4last4late4lati4lats4lean4lear4leas4leis4lens4lent4lest4lets4liar4lien4lier4lies4line4linn4lins4lint4lira4lire4list4lite4lits4nail4nans4near4neat4nest4nets4nils4nine4nite4nits4rail4rain4rale4rani4rant4rase4rate4rats4real4rein4reis4rent4rest4rets4rial4rias4riel4rile4rins4rise4rite4sail4sain4sale4salt4sane4sari4sate4sati4seal4sear4seat4sent4sera4seta4sial4silt4sine4sire4site4slat4slit4snit4star4stir4tael4tail4tain4tale4tali4tans4tare4tarn4tars4teal4tear4teas4tela4tels4tens4tern4tier4ties4tile4tils4tine4tins4tire4tirl4tsar4
3-letter words 75
ail3ain3air3ais3ait3ale3als3alt3ane3ani3ant3are3ars3art3ate3ear3eat3els3ens3era3ern3ers3ert3eta3inn3ins3ire3its3lar3las3lat3lea3lei3let3lie3lin3lis3lit3nae3nan3net3nil3nit3ran3ras3rat3rei3res3ret3ria3rin3sae3sal3sat3sea3sei3sel3sen3ser3set3sin3sir3sit3sri3tae3tan3tar3tas3tea3tel3ten3tie3til3tin3tis3
2-letter words 27
ae2ai2al2an2ar2as2at2el2en2er2es2et2in2is2it2la2li2ln2ls2na2ne2re2rs2si2ta2ti2ts2
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.