Synonyms of alternation

1 Syllable
shift, train, trains, chains, chain
2 Syllables
sequel, chaining, series, cycle, sequels
3 Syllables
transience, variation, switchover, fickleness, fitfulness, catenae, rotation, crossfire, shakiness
4 Syllables
isochronism, correlation, unsureness, capriciousness, changeableness, precariousness, unfixedness, unsteadiness, interchanging, sequacity, interchanged, transposition, interchange, correlations, transpositions
5 Syllables
instabilities, changeability, disequilibrium, impermanence, insecureness, discontinuance, variability, instability, vicissitude, mutability
7 Syllables
unpredictability