There are 419 words hidden in the letters of CERTAINLY, from 23 two-letter words up to CERTAINLY (9 letters). For points, CERTAINLY is best at 14.
No other single word uses all 9 letters of CERTAINLY. CERTAINLY has 9 letters: 3 vowels and 6 consonants, worth 14 points before any board bonuses.
9-letter words 1
8-letter words 3
clarinet10interlay11literacy13
7-letter words 27
6-letter words 67
acetin8acetyl11aerily9aliner6aniler6antler6artily9atelic8cairny11canter8cantle8carlin8carnet8carney11carnie8cartel8catlin8cental8centra8citral8claret8client8cretin8eclair8elytra9enatic8entail6inlace8lacier8lancer8lancet8larine6learnt6lectin8lenity9lentic8linear6linter6litany9lyrate9nailer6nearly9neatly9nectar8nicely11nicety11nitery9racily11ratine6ratlin6realty9recant8relict8renail6rental6retail6retain6retial6retina6rictal8tailer6tanrec8tenail6tincal8tineal6trance8trinal6
5-letter words 103
actin7alert5alien5aline5alter5anile5antic7antre5areic7ariel5artel5cairn7caner7canty10caret7carle7carny10carte7cater7ceria7citer7clary10clean7clear7cleat7cline7crane7crate7crine7early8eclat7elain5elint5enact7entia5entry8erica7ileac7inert5inlay8inlet5inter5irate5lacer7lacey10laity8lance7laten5later5layer8leant5learn5leary8liane5linac7liner5liney8linty8liter5litre5lyart8lycea10lyric10lytic10nacre7naric7neral5nicer7niter5nitre5rainy8rance7ratel5react7recta7recti7relay8relic7relit5renal5retia5riant5riley8riyal8taler5teary8telia5telic7tenia5terai5tical7tiler5tinea5trace7trail5train5triac7trial5trice7trine5yearn8yenta8yince10
4-letter words 118
acne6acre6acyl9aery7airn4airt4airy7alec6alit4anil4ante4anti4aril4arty7aryl7ayin7cain6cane6cant6care6carl6carn6cart6cate6ceil6celt6cent6cine6cire6cite6city9clan6clay9cyan9earl4earn4elan4etic6etna4eyra7ilea4inly7lace6lacy9laic6lain4lair4lane4lari4late4lati4lean4lear4lent4liar4lice6lien4lier4line4lint4liny7lira4lire4lite4lyre7nail4narc6nary7near4neat4nice6nite4race6racy9rail4rain4rale4rani4rant4rate4real4rein4rely7rent4rial4rice6riel4rile4rite4tace6tael4tail4tain4talc6tale4tali4tare4tarn4teal4tear4tela4tern4tier4tile4tine4tiny7tire4tirl4tray7trey7tyer7tyne7tyre7yare7yarn7yean7year7yeti7
3-letter words 77
ace5act5ail3ain3air3ait3ale3alt3ane3ani3ant3any6arc5are3art3ate3aye6can5car5cat5cay8cel5cry8ear3eat3era3ern3ert3eta3ice5icy8ire3lac5lar3lat3lay6lea3lei3let3ley6lie3lin3lit3lye6nae3nay6net3nil3nit3ran3rat3ray6rec5rei3ret3ria3rin3rya6rye6tae3tan3tar3tea3tel3ten3tic5tie3til3tin3try6tye6yar6yea6yen6yer6yet6yin6
2-letter words 23
ae2ai2al2an2ar2at2ay5el2en2er2et2in2it2la2li2ln2na2ne2re2ta2ti2ya5ye5
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.