Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old English earfoþe
← Old English ierfa (cognate)
← Old Church Slavonic рабъ (cognate)
← German Arbeit (cognate)
← Proto-Germanic *arbaidiz (inherited)
← Proto-Germanic *arbijaną (mention)
← Proto-Germanic *arbāną (mention)
← Proto-West Germanic *arbaiþi (inherited)
← Old High German arbeit (cognate)
← Gothic 𐌰𐍂𐌱𐌰𐌹𐌸𐍃 (cognate)
← Ancient Greek ὀρφανός (cognate)
← Proto-Indo-European *h₃órbʰos (cognate)
← Latin orbus (cognate)
← Dutch arbeid (cognate)
← Old Norse erfiði (cognate)
← Old Dutch arbeit (cognate)
← Old Frisian arbēd (cognate)
← Old Saxon arƀed (cognate)
← Old Saxon arvēd (mention)
← Swedish arvode (cognate)

→ English difficult (cognate)
→ Old English earfoþþrag (affix)
→ Old English earfoþnes (affix)
→ Old English earfoþdæde (compound)
→ German Arbeit (cognate)
→ Middle English arveð (inherited)
→ Old Saxon arved (cognate)
→ Pennsylvania German Arewet (cognate)