How do you say “filter” in Vietnamese?

Vietnamese words for “filter”

• lọcListenverb
  Hanoi [lawk͡p̚˧˨ʔ] · Saigon [lawk͡p̚˨˩˨]lọc heavy

  to filter; to purify; to cleanse

  for “filter” meaning: To sort, sift, or isolate.

• phinListennoun
  Hanoi [fin˧˧] · Saigon [fɨn˧˧]phin level

  batiste

  for “filter” meaning: Any item, mechanism, device, or procedure that acts to separate or isolate.

• xâm nhậpListenverb
  Hanoi [səm˧˧ ɲəp̚˧˨ʔ] · Saigon [səm˧˧ ɲəp̚˨˩˨]xâm level nhập heavy

  to enter; to infiltrate; to invade

  for “filter” meaning: To pass through a filter or to act as though passing through a filter.