Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English testicle
Latin testiculus (borrowed)
Latin testis (mention)

English testiculate (affix)
English breasticle (blend)
English chesticle (blend)
English testicleless (suffix)
English testicled (suffix)
English trans-testicle (blend)
English testiclectomy (affix)
Breton kell (link)
Esperanto testiko (borrowed)
Dutch noot (link)
Dutch kul (link)