How do you say “air bubble” in Vietnamese?

Vietnamese words for “air bubble”

• bọtListennoun
  Hanoi [ʔɓɔt̚˧˨ʔ] · Saigon [ʔɓɔk̚˨˩˨]bọt heavy

  foam; froth

  for “air bubble” meaning: A small pocket of air inside a solid, a liquid or surrounded by a colloid within a larger fluid environment.

• tămListennoun
  Hanoi [tam˧˧] · Saigon [tam˧˧]tăm level

  toothpick

  for “air bubble” meaning: A small pocket of air inside a solid, a liquid or surrounded by a colloid within a larger fluid environment.

• bong bóngListennoun
  Hanoi [ʔɓawŋ͡m˧˧ ʔɓawŋ͡m˧˦] · Saigon [ʔɓawŋ͡m˧˧ ʔɓawŋ͡m˦˥]bong level bóng rising

  a bubble; a balloon

  for “air bubble” meaning: A small pocket of air inside a solid, a liquid or surrounded by a colloid within a larger fluid environment.

• mòiListennoun
  Hanoi [mɔj˨˩] · Saigon [mɔj˨˩]mòi falling

  underwater air bubble; indication; symptom

  for “air bubble” meaning: A small pocket of air inside a solid, a liquid or surrounded by a colloid within a larger fluid environment.