Main and Substantive

Main noun - Muscular strength.

Substantive and main are semantically related in major topic. In some cases you can use "Substantive" instead a noun "Main", when it comes to topics like fundamental, basic.

Nearby Words: mainly, mainline

Substantive noun - Any word or group of words functioning as a noun.

Main and substantive are semantically related in major topic. Sometimes you can use "Main" instead a noun "Substantive", if it concerns topics such as fundamental, basic.

Nearby Words: substance, substantial, substantially, substantival, substantivized