Ignorance in Malayalam

Malayalam words whose English meaning includes “ignorance”:

അചൈതന്യം (achaithanyam) — Absence of spirit or vigour, ignorance.
അന്ധകാരം (andhakaram) — Darkness, ignorance.
താമസം (thaamasam) — Dark attributes such as anger, idiocy, etc., darkness, ignorance.
മൂഢവിശ്വാസം (moodavishwaasam) — Belief owing to ignorance, superstition.