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