Howitzer and Shotguns

Howitzer noun - A muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range.

Shotguns and howitzer are semantically related In some cases you can replace term "Shotguns" with "Howitzer", this nouns are similar.

Howitzer and shotguns are semantically related in arm topic. Sometimes you can use "Howitzer" instead a noun "Shotguns", if it concerns topics such as weapon that shoots.