Vulnerable in Malayalam

Malayalam words whose English meaning includes “vulnerable”:

മര്‍മ്മം (marmmam) — Vital spot or organ of the body; (idm.) main point or part of anything, key point, main secret, vulnerable spot or point, the quintessential.
മര്‍മ്മസ്ഥാനം (marmmasthaanam) — Vulnerable spot or joint in the body.