Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
French sein
← Spanish seno (cognate)
← French sinus (doublet)
← Old French sein (inherited)
← Italian seno (cognate)
← Latin sinus (inherited)
← Portuguese seio (cognate)
← Romansch sain (cognate)
← Romanian sân (cognate)

→ Spanish seno (cognate)
→ French sinus (doublet)
→ Italian seno (cognate)
→ Portuguese seio (cognate)
→ Romansch sein (cognate)
→ Romansch sain (cognate)
→ Romansch sagn (cognate)
→ Romanian sân (cognate)