Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old English forþ
← Proto-Germanic *furþą (inherited)
← Proto-Indo-European *pr̥to- (derived)
← Old Frisian forth (cognate)
← Old Saxon forth (cognate)
← Albanian mbroth (cognate)

→ English forth (inherited)
→ English forthen (mention)
→ Old English forþgeriman (prefix)
→ Old English forþ- (mention)
→ Old English forþgewitan (prefix)
→ Old English forþscype (suffix)
→ Old English forþteon (prefix)
→ Old English forþgesceaft (prefix)
→ Old English forþgestigan (prefix)
→ Old English forþsprecan (prefix)
→ Old English forþgan (prefix)
→ Old English forþgang (prefix)
→ Old English forþcuman (prefix)
→ Old English forþbringan (prefix)
→ Old English forþfaran (prefix)
→ Old English forþlædan (prefix)
→ Old English forþberan (prefix)
→ Old English forþflowan (prefix)
→ Old English forþsendan (prefix)
→ Old English heonan forþ (compound)
→ Old English forþgangan (compound)
→ Old English forþwisian (prefix)