Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Norse harðr
← Old English heard (cognate)
← Proto-Germanic *harduz (inherited)
← Old High German hart (cognate)
← Gothic 𐌷𐌰𐍂𐌳𐌿𐍃 (cognate)
← Proto-Indo-European *kret- (root)
← Proto-Indo-European *kert- (derived)
← Proto-Indo-European *kret- (mention)
← Old Dutch hart (cognate)
← Old Frisian herd (cognate)
← Old Saxon hard (cognate)

→ Old English heard (cognate)
→ Danish hård (derived)
→ German Reinhard (cognate)
→ Faroese harður (inherited)
→ Westrobothnian hark (mention)
→ Westrobothnian hahl (inherited)
→ Old Swedish harþer (inherited)
→ Old High German hart (cognate)
→ Icelandic harður (inherited)
→ Icelandic harka (mention)
→ Norwegian Bokmål hard (inherited)
→ Norwegian Nynorsk hard (inherited)
→ Norwegian hard’u (inherited)
→ Old Norse harka (mention)
→ Old Norse harðleikr (suffix)
→ Old Norse herði (affix)
→ Albanian krodhë (cognate)
→ Swedish hård (inherited)