According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern DU-F-L. That is, six letter words with 1st letter D and 2nd letter U and 4th letter F and 6th letter L. In alphabetical order, they are: dueful duffel
teloi, title, toile
Post, as in postcard and posthaste.
You can spell the four letter words flog, foil, gift, golf, lift, loft, toil and volt. The letters spell the three letter words fig, fit, fog, got, lit, log, lot and oil.
'Floating' is the longest word you can make from those letters. Some other options are:floatflagfloggingoatgolfgaittangfangfigflatflintlotfailnailtailtananttinnitfinloafoafiontonnotgoalfinaltangolongfatfling
The letters "nifpoix" can make the following words:Two-letter wordsifinofonopThree-letter wordsfinpinpoxFour-letter words
Some seven letter words that can be made with those letters are:preceptprefectprofusepurposerefocusrefutesrespectscepterspecterstepperstoppersupport
You could make the following four letter words with those letter: sale, dads, lead, dead, sled, deal, seal, and dale.
out
The following words can be made from the same letters as 'tinsel'listensilentenlistinlets
We can't be sure the answer is accurate without knowing the following words. Consign is one possibility.
day
saved
There are no American English words that meet that criteria. (You can make the four-letter word edit.)
daydaylightdaybreakdaytime
There are no 9 letter English words that can be made with the given letters. The longest words are 6 letters long and they are: bleary, barely, barley, arable. If you use the letters more than once, you can make the following words: bearberry, blaeberry, cerebella, clearable, labelable.
I can make the following words out of THUNDERSTORM:thunderstormthudturdmoreundersundertrendhunterhuntershuntedhorseternturntoredormmetshuntheorondrumrestrendredmudmushmustmurdermurdersorderordersroundrosterrodrodsrotrotsrodetormentotterotherotherstooreodeemumonsternotdotsorestorestoredtornrottenmournmournermournersthusthrustdustdusterdunduhdenttermsterndomedonerummotherrunhurtherhehuthornhornedhenthenhershoenornonutnutsnorthnorthernerdnursenestnetsnormutterutters