Duple and Twice

Duple adjective - Consisting of or involving two parts or components usually in pairs.

Twice and duple are semantically related. in in a pair topic. In some cases you can use "Twice" instead an adjective "Duple".

Twice adverb - To two times the amount or degree.

Duple and twice are semantically related. You can use "Duple" instead an adjective "Twice".