Synonyms for two:
dualistic, second, paired, double-barreled, double-faced, bifurcated, bi-form, two-sided, twinned, dual, double, twice, duplicate, duplex, two-faced, twin, bilateral, duple, dyadic, two-fold, binary.
having two of something (adjective)
dualistic, dyadic, bilateral.
duet, match, brace, team, pair, couplet, span, twosome, couple, yoke, dyad, doublet.
deuce, ii, cardinal.
two of something (noun)
deuce, dyad, couple, double, doublet, bifurcation, duet, span, twin, twain, brace, team, pair, binary, dual.