I can not identify any 8 letter words. However, the letters do spell the 7 letter words agendas and savaged.
badinage
saddists
Detained
derailed, deployed, demented, etc, etc
Can't make an 8 letter word with 7 letters. Interestingly enough, you can make "idiot" from those letters. Also, you can make these:5 Letter Scrabble Wordsidiotiodid4 Letter Scrabble Wordsdidodiptdoittipitopi3 Letter Scrabble Wordsdiddipditdotoddoptpitpodpoipottiptodtop2 Letter Scrabble Wordsdoiditodoioppitito
diffuses
You can get the word pyramids from those letters.
twinkled
D or R
tuckeredtailoredtemperedtraveledthwartedticketedtamperedthreaded
Diatribe .
Numbered