This is the 12717th most frequent Russian word.
коты
Cats.
Here, "коты" is used in the nominative plural form to indicate the subject "cats."
Коты любят играть с мячиками.
Cats love to play with balls.
Here, "коты" is in the accusative plural form used as the direct object of the verb "вижу."
Я вижу, как коты гуляют по саду.
I see the cats walking in the garden.
Here, "коты" would be modified to "кота" in the numeral grammatic case aligned with "два" which affects singular masculine nouns.