Roget's Thesaurus

#96. Quadruplication

Nouns

quadruplication.

Verbs

multiply by four, quadruplicate, biquadrate.

Adjectives

fourfold, four times; quadrable, quadrumanous, quadruple, quadruplicate, quadrible; fourth. quadrifoliate, quadrifoliolate, quadrigeminal, quadrigeminate, quadriplanar, quadriserial.

Adverbs

four times; in the fourth place, fourthly.