Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English iron
Old English īsern (inherited)
Old English īsærn (mention)
Old English īren (mention)
Old English īsen (mention)
Proto-Celtic *īsarnom (derived)
Middle English iren (inherited)
Proto-Germanic *īsarną (inherited)
Proto-West Germanic *īsarn (inherited)
Proto-Indo-European *h₁ésh₂r̥ (derived)

English ironwood (compound)
English ire (mention)
English andiron (mention)
English ironmonger (compound)
English irony (suffix)
English Iron Age (mention)
English ironclad (compound)
English gridiron (mention)
English gridiron (compound)
English gridiron (link)
English ironwork (suffix)
English ironstone (compound)
English ironware (affix)
English ironworker (compound)
English flatiron (compound)
English ironer (suffix)
English ironman (compound)
English ironsmith (compound)
English ironmaking (compound)
English ironworking (compound)
English ironweed (compound)
English mid-iron (affix)
English ironlike (suffix)
English sadiron (compound)
English noniron (prefix)
English organoiron (prefix)
English ironable (suffix)
English ironbark (compound)
English ironmaster (compound)
English ironshot (compound)
English radioiron (prefix)
English ironbound (compound)
English ironish (suffix)
English Ironside (compound)
English iron-sick (compound)
English ironwort (compound)
English irestone (mention)
English cobiron (compound)
English ironmine (compound)
English non-iron (prefix)
Arabic حدوة (link)
Bislama aean (inherited)
Cimbrian aizarn (cognate)
Danish jern (cognate)
German Eisen (cognate)
Japanese アイロン (borrowed)
Japanese 天津麻羅 (mention)
Japanese 天津麻羅 (mention)
Japanese アイアン (borrowed)
Marshallese aen (borrowed)
Mòcheno aisn (cognate)
Norwegian Nynorsk jarn (cognate)
Norwegian Nynorsk stryka (link)
Norwegian jedn (cognate)
Pennsylvania German Eise (cognate)
Pohnpeian ain (borrowed)
Portuguese viela (link)
Shona aini (borrowed)
Albanian Erjon (cognate)
Saterland Frisian Iersen (cognate)
Tok Pisin ain (derived)
Tok Pisin ainim (derived)
Vilamovian ajza (cognate)
Zulu ayina (borrowed)