Synonyms of sporadically

2 Syllables
hardly, scantly, seldom, little
3 Syllables
jerkily, rarely, variably, scarcely, sparingly
4 Syllables
uncommonly, unpunctually, detectably, infrequently, uncertainly, whimsically, unusually
5 Syllables
disconnectedly, discontinuously, eccentrically, occasionally, spasmodically, inhabitually, irregularly, intermittently