Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English alga
Latin alga (learned borrowing)

English microalga (prefix)
English macroalga (prefix)
English algin (suffix)
English algoid (suffix)
English algaculture (compound)
English algacidal (suffix)
English picoalga (prefix)
English algist (suffix)
Irish alga (borrowed)