the word is optimistic
Erosion.
The anagram is mayhem.
The letters 'tinoreiicppat' unscrambled spell the word precipitation.
The letters 'eipylsotmh' unscrambled spell the word polytheism.
pureed
MUSLIN
therapy
motorcade
quadrivium
fascination
Laxity
Ridiculous.
Pepsin.
Achieved
octet
Vesper