Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *ḱerh₂-

English cerebral (root)
English horn (root)
English horn (mention)
English keratin (root)
English hornet (mention)
English megrim (root)
English cranium (root)
English migraine (root)
English cerebrum (root)
English cerebellum (root)
English hemicrania (root)
English coryphée (root)
English coryphée (derived)
English hern (derived)
English cairn (derived)
English coryphaeus (root)
English coryphaeus (derived)
English saveloy (root)
English saveloy (derived)
English bucranium (root)
English hirn (derived)
English girvasite (mention)
English sarpanch (derived)
Avestan 𐬯𐬁𐬭𐬀 (derived)
Aragonese cuerno (derived)
Old English heorot (derived)
Old English hyrne (inherited)
Old English hærn (mention)
Assamese শিং (root)
Assamese শিং (derived)
Yemeni Arabic كر (derived)
Bulgarian крава (derived)
Breton Karnag (derived)
Kamkata-viri pāćeř (mention)
Catalan corn (derived)
Catalan cervell (mention)
Catalan cérvol (mention)
Kashubian karwa (derived)
Welsh Cernyw (mention)
Welsh carn (inherited)
Spanish cuerno (derived)
Spanish ciervo (mention)
Spanish cerviz (derived)
Persian سر (inherited)
Persian سرنا (derived)
Finnish herhiläinen (root)
Finnish sarvi (root)
Finnish sarvi (derived)
Finnish herilane (root(fi/et))
French coryphée (root)
French coryphée (derived)
French cerf (mention)
French cerveau (mention)
Irish carn (root)
Irish carn (derived)
Irish ceirbream (root)
Irish ceirbream (derived)
Galician carnoedo (derived)
Proto-Norse ᚺᛟᚱᚾᚨ (root)
Proto-Norse ᚺᛟᚱᚾᚨ (mention)
Old High German hirni (derived)
Gothic 𐌷𐌰𐌹𐍂𐌿𐍃 (root)
Gothic 𐌷𐌰𐌹𐍂𐌿𐍃 (mention)