Matches in movies

Son of the Gods Son of the Gods (1930)
Men Are Not Gods Men Are Not Gods (1936)
Missile Monsters Missile Monsters (1958)
The Monolith Monsters The Monolith Monsters (1957)
Mazes and Monsters Mazes and Monsters (1982)
Attack of the Crab Monsters Attack of the Crab Monsters (1957)