Rendormir belong to the 3
rd group. Rendormir is a common french verb.
Rendormir is conjugated the same way that verbs that end in :
-mir
Rendormir is conjugated with
auxiliary avoir.
Rendormir verb is direct transitive.
French verb rendormir can be conjugated in the reflexive form:
Rendormir verb is a direct transitive verb, so ive voice can be used.