Amortir belong to the 2
nd group. Amortir is a common french verb.
Amortir is conjugated the same way that verbs that end in :
-ir
Amortir is conjugated with
auxiliary avoir.
Amortir verb is
direct transitive.
French verb amortir can be conjugated in the reflexive form:
S'amortir
Amortir verb is a direct transitive verb, so passive voice can be used.