Shivers, noun plural of shiver. Synonyms in the same form.
Shudder
shudders, quivers, chills, tingles, frissons, thrills, tremors, quakes, flutters
Tremble
trembles, shakes
Sliver
bits, slivers, slices, pieces, splinters, fragments
Other
horripilations
All synonyms for shiver →