Substitute
Replacement
noun, の adjective
You've seen that 代わる means "to substitute for" or "to replace." This is the noun version of that (no う sound on the end). So, what is the noun version of those verb words? It would be substitute or replacement.
You should be able to figure out the reading from learning 代わる in the previous level.
代わりにつかう
to use as a substitute
代わりになる
to be a substitute
代わりにする
to have as a substitute
水の代わり
substitute for water
自分の代わり
substitute for oneself
人の代わり
substitute for a person
代わりの人
a substitute
代わりの先生
a substitute teacher
代わりの休み
make-up day off
代わりをさがす
to search for a replacement
代わりをたのむ
to ask for a replacement
代わりをする
to take someone's place
あいさつ代わり
instead of a greeting
その代わり
instead of that, in exchange
メモ代わり
substitute for notepaper, substitute for notes
お代わりできる
to be able to have another helping of food
お代わりがある
there is another helping of food
お代わりする
to have another helping of food
田中先生はお休みなので、代わりの先生が来ます。
Mr. Tanaka is off, so a substitute teacher will come.
トマトをあげた代わりに玉ねぎをもらった。
I got onions in return for giving tomatoes.
代わりの人は中々見つからなかった。
I had a hard time finding a substitute person.