Shuddering in Malayalam

Malayalam words whose English meaning includes “shuddering”:

ഞടുക്കം (nadukkam) — Shock, shuddering.
നടുങ്ങല്‍ (nadungal) — Shock, tremor, shuddering.
പുളകം (pulakam) — Horripilation, thrill, rapturous shuddering, a precious gem, the cut surface of a gem.