Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English serene
English all serene (link)
English serenity (link)
English serein (link)
Old French serein (mention)
Latin serēnus (borrowed)
Latin (mention)
Latin sērum (mention)
Latin sērus (mention)
Latin -ānus (mention)

English serenity (suffix)
English serein (doublet)
English sereneness (suffix)
English serenely (suffix)
English unserene (prefix)
English serenize (suffix)