There are no 8-letter anagrams. The letters cannot spell any meaningful phrases other than "rowdy inn" and the like.
The longest words that can be made are downy, dowry, drown, irony, rowdy, windy, and wordy.
The letters spell the word geometrical.
The letters spell the word casino.
The letters spell the word "freelance."
Those letters will spell the word vinegar.
The letters can spell the word publications (or No, a publicist!).
The letters APTRUSIS spell the word "upstairs."
These letters unscramble to spell the word herbal.
The letters spell 'broccoli'.
The letters spell the word temples.
The letters spell the word obstruct.
The letters spell weary.
The letters spell the word "mineralogist" (rock scientist).