Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Scottish Gaelic eachdraidh
Welsh eithr (cognate)
Irish eachtra (cognate)
Scottish Gaelic eachtradh (doublet)
Latin exter (cognate)
Middle Irish eachtradh (inherited)
Old Irish echtar (mention)

Scottish Gaelic ro-eachdraidheil (affix)
Scottish Gaelic eachdraidheil (affix)
Scottish Gaelic beath-eachdraidh (compound)
Scottish Gaelic eachdraidh-beatha (compound)
Scottish Gaelic eachtradh (doublet)