Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English regale
English gale (cognate)
English gala (cognate)
French régaler (mention)
French gale (mention)
Old French regale (mention)
Old French rigale (mention)
Old French galer (cognate)
Old French se rigoler (cognate)
Middle High German begalen (cognate)

English regalement (suffix)
English regaler (suffix)
English regaleth (suffix)
English regalest (suffix)
Spanish regalar (cognate)