Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English electrochemistry
English electro (prefix)
English chemistry (prefix)

English electrochemist (back-formation)
English photoelectrochemistry (prefix)
English spectroelectrochemistry (prefix)
English bioelectrochemistry (prefix)
English microelectrochemistry (prefix)
English nanoelectrochemistry (prefix)