Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Russian во́семь

→ Latvian astoņi (cognate)
→ Russian осьминог (mention)
→ Russian восьмилетний (affix)
→ Russian восьмиугольник (affix)
→ Russian восьмигранник (affix)
→ Russian восьмилетие (affix)
→ Russian восьмушка (affix)