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.
The letters "nlousacttgirnoa" can be unscrambled to form the word "congratulations."
Pepsin.
motorcade
quadrivium
therapy
MUSLIN
Erosion.
Laxity
Ridiculous.
lathe
octet
Achieved