The anagram is "septum" (a division, as between the nostrils).
lathe
Erosion.
the word is optimistic
The anagram is mayhem.
The letters 'tighrast' unscrambled spell the word straight.
Pepsin.
motorcade
quadrivium
MUSLIN
lathe
octet
Erosion.
Ridiculous.
Laxity
therapy
Achieved
Vesper