How do you say “soap” in Vietnamese?

Vietnamese words for “soap”

• xà phòngListennoun
  Hanoi [saː˨˩ fawŋ͡m˨˩] · Saigon [saː˨˩ fawŋ͡m˨˩]xà falling phòng falling

  soap

  for “soap” meaning: Some other substance, often a detergent or another surfactant, able to mix with both oil and water, used for cleaning.

• xà bôngListennoun
  Hanoi [saː˨˩ ʔɓəwŋ͡m˧˧] · Saigon [saː˨˩ ʔɓəwŋ͡m˧˧]xà falling bông level

  soap; laundry detergent; washing powder

  for “soap” meaning: Some other substance, often a detergent or another surfactant, able to mix with both oil and water, used for cleaning.