This is the 7112th most frequent Japanese word.
ル
"ル" is the katakana character representing the sound "ru" in Japanese.
Here, 'ルール' is used to mean 'rules,' indicating guidelines or regulations to be followed.
私たちはサッカーでルールを守ります。
We follow rules in soccer.
In this sentence, 'ループ' implies a 'loop,' referring to a repetitive sequence or process.
その時計は速いループで動いています。
The watch operates in a fast loop.
Here, 'プール' refers to a 'swimming pool,' highlighting a place for swimming.