Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Slavic *četvьrtъ

→ Belarusian чацвёрты (inherited)
→ Bulgarian четвърти (inherited)
→ Bulgarian четвърт (inherited)
→ Czech čtvrtý (inherited)
→ Old Church Slavonic четврьтъ (inherited)
→ Hungarian csütörtök (mention)
→ Macedonian четврти (inherited)
→ Old East Slavic четвьртъ (inherited)
→ Polish czwarty (mention)
→ Polish ćwierć (mention)
→ Romanian sfert (mention)
→ Romanian ciozvârtă (derived)
→ Russian четвёртый (inherited)
→ Serbo-Croatian četvrti (inherited)
→ Serbo-Croatian четврти (inherited)
→ Serbo-Croatian četvrt (inherited)
→ Serbo-Croatian četvrtfinale (inherited)
→ Serbo-Croatian четвртфинале (inherited)
→ Slovak štvrtok (mention)
→ Slovene četrtek (mention)
→ Silesian sztworty (inherited)
→ Silesian sztwŏrty (inherited)
→ Ukrainian четвертий (inherited)
→ Ukrainian чверть (mention)
→ Old Polish cztwarty (inherited)