Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English tautomer
English taut (confix)
English -o- (confix)
English mer (confix)

English tautomerism (suffix)
English tautomeric (suffix)
English protomer (blend)
English tautomerization (suffix)
English tautomerize (suffix)
English tautomerase (suffix)