You can use the application 'grep' to find words with specific letters. It comes with any standard unix installation such as Linux, or Mac OS X. There is a Windows version that can be found, as well.
Words that can be made from the letters in the word 'specific' are:Iepicepicsfieiceicesififsispipiepiessicsipspice
Words that can be made from the letters is 'proud' are:dodourdropduoorourpodpourprodrod
One 7-letter word that can be formed from the letters in "bangersqofdiph" is "bandish." However, the selection of words may vary depending on the specific rules or constraints you follow, such as the use of specific dictionaries or word lists.
The longest words you can spell with the letters from "yxkinethpzwgpdmycpucyubw" are limited due to the specific combinations of letters available. However, words like "dumpy," "chunky," and "picky" can be formed. The unique combination of letters, especially with repeated letters, restricts the formation of longer, meaningful words.
Words that can be made with the letters in 'happy' are:aahhahaypapayya yap
Words that can be made with the letters in 'beets' are:bebeebesetbestbetseesettee
Words that can be made using letters from "spring" are:GrinsPingsRingsSprigSpinPigsSignSingGinPin
The longest words that I can find are the 4 letter words dopy and void. The letters also can be used to spell dip, do, ivy and pod.
I cannot find any words that use all 5 letters. The letters can be used to spell try and my.
Some words that can be made using letters from "serenade" are:EndearsSneeredEarnedErasedNearedResendSearedReseedDaresNeedsNerdsSnareEasedSandSeedSaneDareEarnEars
Some words that can be found using the letters of "inventing" are:EvidentEnviedIndentIntendVentedDentDineVeinVineNineDiveEdit
Some words that can be made using the letters of "health" are:HaltHateHeathHealHeatLateAleEatAteTeaThe