Don't know how many. The only one that I can think of at the moment is levees. If you don't need to use all the letters, eve and elves also come to mind.
These are the words that I can spell with breakfast:Aabaftabetabreastafaraftafterareareaarkartasaskasteratatebaabakebarbarebarkbasebaskbastebatbatebeakbeastbeatbedbetbrakebratbreakeareasteatfafakefarfarefastfatfatefearfeastfeatfreakfretraberaftrakesabresafesakesateseasearseatstabstakestarstaresteakstreak
All of them.
little
There are no full anagrams of the word "beautiful".Words that you can spell using some of the letters are:FibulaAlbeitFutileBleatBuiltFableFaultFluteTableBailBateBeauBileBiteBlueFailFateFileFlatFleaLateLeafLeftLifeLiftTailTaleTileTubaTube
Leak, Lake and Kale.
No words can be spelled using all of the letters 'suaave'.Some words that can be spelled using some of the letters are:SuaveSaveVaseAveSeaUseUs
aallfeastelfsatlatestalltallsafefatesellsaltseal
The letters can be used to spell the 4 letter words rift and turf. They spell the 3 letter words fir, fit, fur and rut. They spell the 2 letter words if and it.
The longest words using the letters 'Thanksgiving' are the nine letter words:knightingvanishing
The letters can be used to spell the anagram word cautioned. They also can be scrambled to spell auctioned.
Those letters will spell gate.Other words using those letters are a, age, at, ate, eat, tea.
The 7 letters LCRAEPP can spell "clapper", and many other words, some 5 and 6 letter words are :parcelcarpelrappelplacercaperclearpalerapplepacerpaperpearlplacerecap