to lose

• Russian
  теря́тьterjatʹ

  tʲɪˈrʲatʲdifferent word · East Slavic, of uncertain origin

  Russian губи́ть, the cognate, means 'to ruin'.

• Ukrainian
  губи́тиhubyty

  ɦuˈbɪtɪinherited

  Втрача́ти is also common.

• Polish
  gubić

  ˈɡubʲitɕinherited
• Czech
  ztrácet

  ˈstraːtsɛtdifferent word · Proto-Slavic *tratiti 'to spend, waste'

  Polish tracić 'to lose (money, time)' is its cognate.

• Bosnian-Croatian-Serbian
  gubitiгубити

  ˈɡubitiinherited
• English
  to lose

Sound laws at work

• g → h (spirantization)