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

→ Bulgarian плесен (inherited)
→ Czech plíseň (inherited)
→ Polish pleśń (inherited)
→ Russian плесень (inherited)
→ Serbo-Croatian plijesan (inherited)
→ Serbo-Croatian плијесан (inherited)
→ Serbo-Croatian plesan (inherited)
→ Serbo-Croatian плесан (inherited)
→ Slovene plesen (inherited)