The anagram is mayhem.
lathe
Erosion.
the word is optimistic
The letters 'tighrast' unscrambled spell the word straight.
The letters 'ryadonml' unscrambled spell the word randomly.
The letters "nlousacttgirnoa" can be unscrambled to form the word "congratulations."
Pepsin.
motorcade
quadrivium
therapy
MUSLIN
Erosion.
Laxity
Ridiculous.
lathe
octet
Achieved