accouple, accumulate, affiliate, affiliated, agglutinate, allied, amalgamated, amass, analyze, articulate, assemble, assimilated, associate, associated, band, biconjugate, bigeminate, bijugate, blended, bond, bound, bracket, bracketed, bridge, bridge over, cement, chain, clap together, coalesce, coincident, collateral, collect, combinative, combinatory, combine, combined, compact, comprehensive, comprise, concatenate, concurrent, conglobulate, conjoin, conjoint, conjugated, conjunct, conjunctive, connect, connected, connective, consolidated, copulate, corporate, correlated, couple, couple up, coupled, cover, decline, derivative, double-harness, double-team, echoic, eclectic, embrace, encompass, etymologic, fused, gather, glue, hyphenate, implicated, include, inclusive, incorporated, inflect, integrated, interlinked, interlocked, interrelated, involved, join, joined, joint, knot, knotted, lay together, league, lexical, lexicographic, lexicologic, lexigraphic, link, linked, lump together, mark, marry, marshal, mass, match, matched, mate, mated, merge, merged, mixed, mobilize, of that ilk, of that kind, one, onomastic, onomatologic, onomatopoeic, pair, pair off, paired, parallel, parenthesize, paronymic, paronymous, parse, piece together, point, punctuate, put together, related, roll into one, solder, span, splice, spliced, stick together, syncretistic, syncretized, synthesized, take in, tape, team, team up, tie, tied, twinned, unify, unite, united, wed, wedded, weld, yoke, yoked
word, term, vocable, name, phrase, root, etymon, derivative, part of speech, ideophone, dictionary, vocabulary, lexicon, glossary, index, concordance, thesaurus, gradus, delectus, etymology, derivation, glossology, terminology orismology, paleology, lexicography, glossographer, lexicologist, verbarian, verbal, literal, titular, nominal, conjugate
, paronymous, derivative, verbally, verbatim, the artillery of words.
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.