Synonyms of jitters

1 Syllable
jumps, fear, fears
2 Syllables
dither, fidgets, shakes, willies, nerves, shivers
3 Syllables
unease, touchiness, moodiness, jumpiness, anxieties, tenseness, anxiety, edginess, restlessness, nervousness
4 Syllables
neuroticism, trepidation, tremulousness, inquietude, restiveness, heebie-jeebies, feverishness