Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Middle English untrewe
Old English untrīewe (inherited)
Middle English un (prefix)
Middle English trewe (prefix)
Proto-Germanic *untriwwiz (inherited)
Proto-West Germanic *untriuwī (inherited)

English untrue (inherited)
Middle English trewe (link)