Infiltration russian

• проникнове́ние

  penetration, entry, infiltration, spread

  trespassing, unlawful entry, break-in

• инфильтра́ция

  infiltration

• засы́лка

  sending, dispatching, dispatch

  infiltration, planting (of an agent)

  misdirection, sending to the wrong address

• затека́ние

  flowing in, seeping in, infiltration

  numbness, going numb (of a limb), pins and needles