Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese -geno
← Ancient Greek -γενής (borrowed)

→ Portuguese antígeno (affix)
→ Portuguese mutágeno (affix)
→ Portuguese carcinógeno (affix)
→ Portuguese alérgeno (affix)
→ Portuguese alógeno (affix)
→ Portuguese endógeno (affix)
→ Portuguese patógeno (affix)
→ Portuguese acrógeno (affix)
→ Portuguese aerógeno (affix)
→ Portuguese algógeno (affix)
→ Portuguese ambígeno (affix)