"one who returns," especially after a long absence; "a ghost," 1814 (in "Rosanne" by Laetitia Matilda Hawkins), from French revenant (fem. revenante), noun use of present participle of revenir "to return" (see revenue).
revenant shrieks and groans
a revenant ghost
revelation
revelator
revelatory
reveler
revelry
revenant
revenge
revengeful
revenue
reverb
reverberant