Roget's Thesaurus

#90. Duplication

Nouns

duplication; doubling etc. v.; gemination, ingemination; reduplication; iteration etc. (repetition) 104; renewal.

Verbs

double, redouble, duplicate, reduplicate; geminate; repeat etc. 104; renew etc. 660.

Adjectives

double; doubled etc. v.; bicipital, bicephalous, bidental, bilabiate, bivalve, bivalvular, bifold, biform, bilateral; bifarious, bifacial; twofold, two-sided; disomatous; duplex; double-faced, double-headed; twin, duplicate, ingeminate; second.

Adverbs

twice, once more; over again etc. (repeatedly) 104; as much again, twofold. secondly, in the second place, again.