Nerve gas and Tomahawk

Nerve gas noun - A toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system.

Tomahawk and nerve gas are semantically related. In some cases you can use "Tomahawk" instead a noun phrase "Nerve gas".

Tomahawk noun - Weapon consisting of a fighting ax; used by North American Indians.

Nerve gas and tomahawk are semantically related. Sometimes you can use "Nerve gas" instead a noun "Tomahawk".