1. sphere
The earth is shaped like a sphere.
Our sphere of influence has expanded so much since then.
He tried to enlarge his sphere of influence.
God is an infinite sphere whose center is everywhere and circumference is nowhere.
Every star is a sphere.
The subject is out of his sphere.
In the sphere of thought, absurdity and perversity remain the masters of the world, and their dominion is suspended only for brief periods.
Many countries are having difficulties in the economic sphere.
Everyone admitted that the earth is a sphere.
The earth is just a sphere suspended in space.