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

→ German quantentheoretisch (affix)
→ German metatheoretisch (prefix)
→ German theoretisieren (suffix)
→ German zahlentheoretisch (mention)
→ Finnish teoreettinen (cognate)
→ Norwegian Bokmål teoretisk (derived)
→ Norwegian Nynorsk teoretisk (derived)
→ Romanian teoretic (borrowed)