Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *mr̥-

English murder (mention)
Czech mrtvý (mention)
Polish martwy (mention)
Polish martwić (mention)
Serbo-Croatian mrtav (mention)
Serbo-Croatian мртав (mention)
Slovak mŕtvy (mention)
Slovene mrtev (mention)
Ukrainian мертвий (mention)