Noun
いし
人にむかって石をなげるんじゃない。
You shouldn’t throw stones at people.
石が一つくつに入った。
A stone got in my shoe.
石と石がぶつかるおとにいらいらする。
The sound of stones colliding annoys me.
The kanji and the word are exactly the same. That means they share meanings as well.
You pick up a stone. You throw it through a window. Huh. That was surprisingly easy.
Do it again. Throw the stone again. It's so easy, just do it.