Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old English eard
← German Art (cognate)
← Proto-Germanic *ardiz (inherited)
← Proto-Germanic *arduz (mention)
← Proto-Germanic *arþuz (mention)
← Proto-West Germanic *ard (inherited)
← Old High German art (cognate)
← Ancient Greek ἀρόω (cognate)
← Proto-Indo-European *h₂erh₃- (derived)
← Latin arō (cognate)
← Old East Slavic орати (cognate)
← Old Saxon ard (cognate)
← Russian ора́ть (cognate)

→ English erd (inherited)
→ English yedding (inherited)
→ Old English middangeard (mention)
→ Old English eardian (affix)
→ Old English middaneard (affix)
→ Old English eþeleard (compound)
→ Old English samodeard (affix)
→ Old English upeard (affix)
→ Old English wiceard (compound)
→ Middle English art (inherited)
→ Middle English erden (inherited)
→ Middle English erd (inherited)
→ Middle English erd (inherited)