Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Romanian stejar
Bulgarian стежер (cognate)
Bulgarian стеж (cognate)

Bulgarian стеж (mention)
Romanian stejărel (suffix)
Romanian stejăraș (suffix)
Romanian stejăriș (suffix)
Romanian stejăriște (suffix)
Romanian Stejaru (mention)
Romanian Stejar (mention)
Romanian Stejari (mention)
Romanian Stejarii (mention)
Romanian Stejerei (mention)
Romanian Valea Stejarului (mention)
Romanian Stejărel (mention)
Romanian Popești Stejari (mention)
Romanian Stejera (mention)
Romanian Stejărenii (affix)
Romanian Stejăreanu (mention)