Seven letter words that can be made from those letters are:
Those letters spell ALMOND.
managed, ravaged
gastric
2-letter wordsai3-letter wordsazo, zoa3 words found.
2-letter wordsae, ai3-letter wordsace, cee, ice5 words found.
There is not an animal that can be spelled with 8 letters that include iaraaabvcybp. The closest thing that is found is capybara.
2-letter wordsit, ti, ut3-letter wordsrut, tui, wit4-letter wordswrit7 words found.
No eight-letter words could be found in either Webster's Second International, or the TWL, (the Scrabble dictionary), using only these letters. If you can find an "i" to play off of, you could make:antiarins
2-letter wordsah, ha, uh3-letter wordsvau4 words found.
Six letter words using the letters 'nuspiegn' are ensign, supine, and genius.
Breeder is a 7 letter words using only those letters
Using all 7 letters you get rewords