Synonyms of alternative

1 Syllable
temp
2 Syllables
versus, variant, shortcut, instead, second, placer, back-up, other, make-do
3 Syllables
optional, seconding, makeshift, vote-casting, selection, another, loophole, flipside, runner-up, different, elections, selections, election
4 Syllables
surrogate, timesaver, substitute, preference, discretional
5 Syllables
alternately, noncompulsory
6 Syllables
supernaturalist, nonobligatory