Synonyms of alternate

1 Syllable
dh, sub
2 Syllables
weekly, stagger, fill-in, proxies, supplier, bandied, whiffling, eddied, monthly, substract, hourly, locum, castled, chainer, seesaw, double, staggers, short-term, eddying, bandying, stand-in, vary, backup, proxy, whiffle, acting, varies
3 Syllables
iterant, stop-and-go, spiralling, staggered, orbital, changeling, seesawing, supplanter, fluctuating, periodic, recurrent, mediary, centennial, assignee, fluctuate, seesawed, epochal, vicarial, exchanging, seasonal, fluctuated, short-range
4 Syllables
hesitate, surrogate, interlaced, hesitated, substituted, permutating, substitute, succedaneum, discontinuous, intermittent, isochronous, temporary, secondary, equivalent, understudy, substituting, vacillate, interlacing, replacement, isochronal, vacillated, delegate, interlace
5 Syllables
substitutive
6 Syllables
on-again-off-again