Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English treatment
English treat (suffix)
English ment (suffix)
French traitement (cognate)

English pretreatment (prefix)
English maltreatment (prefix)
English hydrotreatment (prefix)
English overtreatment (prefix)
English undertreatment (prefix)
English posttreatment (prefix)
English retreatment (prefix)
English scriptment (blend)
English cotreatment (prefix)
English self-treatment (prefix)
English prefixation (link)
English nontreatment (prefix)
English antitreatment (prefix)
English biotreatment (prefix)
English intertreatment (prefix)
English phytotreatment (prefix)
English medication-assisted treatment (compound)
English medication assisted treatment (compound)
English phototreatment (prefix)
English subtreatment (prefix)
Norwegian Bokmål kur (link)
Norwegian Nynorsk kur (link)