neither venes or Mercury has a moon.
No two planets share the same moon.
Actually all the current planets are larger than our moon.
Mercury and Venus are the only two planets in our solar system that do not have a moon.
Only the Earth has one moon.
Mercury and Venus
Two are: Jupiter's moon Ganymede and Saturn's moon Titan are larger than Mercury.
Only two planets have no moon. Mercury and Venus.
Mercury and Venus. They are the only planets without a moon.
The question seems reversed. All but two of the planets have at least one moon. The only planets that don't have any moons are Mercury and Venus.
In our Solar System, that would be Mercury and Venus.
Earth and Pluto