Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic haf
Proto-Germanic *habą (inherited)
Old Norse haf (inherited)

Icelandic hafa (mention)
Icelandic Kyrrahaf (compound)
Icelandic aðalhaf (prefix)
Icelandic dropi í hafið (mention)
Icelandic Miðjarðarhaf (affix)
Icelandic hafmey (affix)
Icelandic haförn (compound)
Icelandic haffær (compound)
Icelandic haftyrðill (compound)
Icelandic hafsjór (affix)