Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Czech srpen
← Czech srp (mention)
← Polish sierpień (cognate)
← Serbo-Croatian srpanj (cognate)

→ Czech srpnový (suffix)
→ Kashubian serzpiéń (cognate)
→ Polish sierpień (cognate)
→ Russian серпень (cognate)
→ Serbo-Croatian srpanj (cognate)
→ Ukrainian серпень (cognate)