Bout and Seizer

Bout noun - A competitive encounter between individuals or groups carried on for amusement, exercise, or in pursuit of a prize.

Seizer and bout are semantically related. In some cases you can replace term "Seizer" with "Bout", this nouns are similar.

Seizer noun - A kidnapper who drugs men and takes them for compulsory service aboard a ship.

Bout and seizer are semantically related. Sometimes you can use "Bout" instead a noun "Seizer".