Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Middle English cunnen
Old English cunnan (inherited)
Proto-Germanic *kunnaną (inherited)
Proto-West Germanic *kunnan (inherited)

English can (mention)
English try (cognate)
English canny (mention)
English cun (inherited)
Scots can (mention)
Scots canny (mention)