THESAURUS
twin
Doppelganger, Janus-like, accessory, accompanying, actual thing, alike, all one, all the same, ally, alter ego, ambidextrous, analogon, analogous, analogue, associate, associated, attendant, attending, bifacial, bifold, biform, bifurcated, bilateral, binary, binate, biparous, bipartisan, bipartite, bivalent, brother, carbon copy, clone, close copy, close match, coequal, cognate, coincident, collateral, combine, combined, companion, comparable, compeer, complement, concomitant, concurrent, conduplicate, congenator, congener, conjoint, connect, consubstantial, coordinate, copy, correlate, correlative, correspondent, corresponding, counterpart, couple, coupled, dead ringer, dichotomous, disomatous, ditto, double, double-faced, duadic, dual, dualistic, dupe, duple, duplex, duplicate, duplicated, dyadic, effigy, equal, equipollent, equivalent, exact counterpart, exact likeness, exactly alike, facsimile, fellow, geminate, geminated, homograph, homonym, homoousian, homophone, icon, idem, identic, identical, identical same, idol, image, indistinguishable, ingeminate, join, joined, joint, just alike, kindred spirit, like, likeness, link, living image, living picture, match, matched, matching, mate, miniature, mirroring, model, multiply by two, mutual, near duplicate, no other, none other, obverse, of a kind, of a piece, of a size, one, opposite number, pair, paired, parallel, paralleling, peer, pendant, photograph, picture, portrait, reciprocal, redouble, reduplicate, reflection, repeat, replica, replicate, reproduce, resemblance, ringer, rival, rubbing, same, second, second self, secondary, selfsame, semblance, shadow, similar, similitude, simulacrum, simultaneous, sister, soul mate, spit and image, spitting image, such, suchlike, synonym, tally, the like of, the likes of, the same, the same difference, trace, tracing, twain, twinned, two, two-faced, two-level, two-ply, two-sided, two-story, twofold, undifferent, very image, very picture, very same, without difference, without distinction, yoke
ROGET THESAURUS
twin
Similarity
N
similarity, resemblance, likeness, similitude, semblance, affinity, approximation, parallelism, agreement, analogy, analogicalness, correspondence, homoiousia, parity, connaturalness, connaturality, brotherhood, family likeness, alliteration, rhyme, pun, repetition, sameness, uniformity, isogamy, analogue, the like, match, pendant, fellow companion, pair, mate,
twin, double, counterpart, brother, sister, one's second self, alter ego, chip of the old block, par nobile fratrum, Arcades ambo, birds of a feather, et hoc genus omne, gens de meme famille, parallel, simile, type, image, photograph, close resemblance, striking resemblance, speaking resemblance, faithful likeness, faithful resemblance, similar, resembling, like, alike,
twin, analogous, analogical, parallel, of a piece, such as, so, homoiousian, connatural, congener, allied to, akin to, approximate, much the same, near, close, something like, sort of, in the ballpark, such like, a show of, mock, pseudo, simulating, representing, exact, lifelike, faithful, true to nature, true to life, the very image, the very picture of, for all the world like, comme deux gouttes d'eau, as like as two peas in a pod, as like as it can stare, instar omnium, cast in the same mold, ridiculously like, as if, so to speak, as it were, as if it were, quasi, just as, veluti in speculum, et sic de similibus, tel maitre tel valet, tel pere tel fils, like master, like servant, like father, like son, the fruit doesn't fall far from the tree, a chip off the old block,
similarity, resemblance, likeness, similitude, semblance, affinity, approximation, parallelism, agreement, analogy, analogicalness, correspondence, homoiousia, parity, connaturalness, connaturality, brotherhood, family likeness, alliteration, rhyme, pun, repetition, sameness, uniformity, isogamy, analogue, the like, match, pendant, fellow companion, pair, mate,
twin, double, counterpart, brother, sister, one's second self, alter ego, chip of the old block, par nobile fratrum, Arcades ambo, birds of a feather, et hoc genus omne, gens de meme famille, parallel, simile, type, image, photograph, close resemblance, striking resemblance, speaking resemblance, faithful likeness, faithful resemblance, similar, resembling, like, alike,
twin, analogous, analogical, parallel, of a piece, such as, so, homoiousian, connatural, congener, allied to, akin to, approximate, much the same, near, close, something like, sort of, in the ballpark, such like, a show of, mock, pseudo, simulating, representing, exact, lifelike, faithful, true to nature, true to life, the very image, the very picture of, for all the world like, comme deux gouttes d'eau, as like as two peas in a pod, as like as it can stare, instar omnium, cast in the same mold, ridiculously like, as if, so to speak, as it were, as if it were, quasi, just as, veluti in speculum, et sic de similibus, tel maitre tel valet, tel pere tel fils, like master, like servant, like father, like son, the fruit doesn't fall far from the tree, a chip off the old block.
Accompaniment
N
accompaniment, adjunct, context, appendage, appurtenance, coexistence, concomitance, company, association, companionship, partnership, copartnership, coefficiency, concomitant, accessory, coefficient, companion, buddy, attendant, fellow, associate, friend, colleague, consort, spouse, mate, partner, co-partner, satellite, hanger on, fellow-traveller, shadow, escort, cortege, attribute, accompanying, concomitant, fellow,
twin, joint, associated with, coupled with, accessory, attendant, obbligato, with, withal, together with, along with, in company with, hand in hand, side by side, cheek by jowl, cheek by jole, arm in arm, therewith, herewith, and, together, in a body, collectively, noscitur a sociis, virtutis fortuna comes.
Duality
N
duality, dualism, duplicity, biplicity, biformity, polarity, two, deuce, couple, duet, brace, pair, cheeks, twins, Castor and Pollux, gemini, Siamese twins, fellows, yoke, conjugation, dispermy, doublets, dyad, span, two,
twin, dual, dualistic, double, binary, binomial,
twin, biparous, dyadic, conduplicate, duplex, biduous, binate, diphyletic, dispermic, unijugate, tete-a-tete, coupled, conjugate, both, both the one and the other,
duality, dualism, duplicity, biplicity, biformity, polarity, two, deuce, couple, duet, brace, pair, cheeks, twins, Castor and Pollux, gemini, Siamese twins, fellows, yoke, conjugation, dispermy, doublets, dyad, span, two,
twin, dual, dualistic, double, binary, binomial,
twin, biparous, dyadic, conduplicate, duplex, biduous, binate, diphyletic, dispermic, unijugate, tete-a-tete, coupled, conjugate, both, both the one and the other.
Duplication
N
duplication, doubling, gemination, ingemination, reduplication, iteration, renewal, double, doubled, bicipital, bicephalous, bidental, bilabiate, bivalve, bivalvular, bifold, biform, bilateral, bifarious, bifacial, twofold, two-sided, disomatous, duplex, double-faced, double-headed,
twin, duplicate, ingeminate, second, twice, once more, over again, as much again, twofold, secondly, in the second place, again.