Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English fetus
Proto-Indo-European *dʰeh₁(y)- (root)
Latin fētus (borrowed)

English feminine (mention)
English embryo (link)
English fetal (suffix)
English superfetation (prefix)
English feticide (suffix)
English feticide (suffix)
English fetopathy (suffix)
English fetii (mention)
English grandfetus (prefix)
Ido feto (borrowed)
Portuguese feto (link)
Portuguese feto (link)