Copious and Substantial

Copious adjective - Pouring forth in great amounts.

Substantial and copious are semantically related in abundant topic. In some cases you can use "Substantial" instead the word "Copious" as an adjective or a noun, when it comes to topics like big.

Nearby Word: copiously

Substantial adjective - Of a size greater than average of its kind.

Copious and substantial are semantically related in big topic. Sometimes you can use "Copious" instead the word "Substantial" as an adjective or a noun.

Nearby Words: substance, substantiate, substantially, substantiality, substantiation