The Earth's Moon is large with respect to the size of the Earth (compared to the small moons of Mars), and Pluto's moon, Charon, is almost as big as Pluto.
(The Earth's Moon; is; large with respect to the size of the Earth) (Pluto's moon; is; almost as big as Pluto)
The Earth's Moon Pluto's moon
is is
large with respect to the size of the Earth
almost as big as Pluto