bayakbak intrans. to bubble, like boiling water. Mumbabayakbak nan inha-ang mu. The rice you are cooking is bubbling. Bumayakbak ke nan danum an nibang-ot ya kaanom. If the water bubbles then remove it from the fire. ‑um‑/‑imm‑, muN‑ CV‑. Sim: luw’ag. (sem. domains: 1.3.2 - Movement of water.)