Proto-Slavic *-tь

→ Belarusian пячора (mention)

→ Bulgarian пещера (mention)

→ Old Church Slavonic сласть (mention)

→ Old Church Slavonic ненависть (mention)

→ Finnish pätsi (affix)

→ Macedonian пештера (mention)

→ Old East Slavic печера (mention)

→ Polish pieczara (mention)

→ Russian ненависть (mention)

→ Russian пасть (mention)

→ Russian пещера (mention)

→ Russian шерсть (mention)

→ Russian печора (mention)

→ Ukrainian печера (mention)