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

→ English drake (root)
→ English drake (derived)
→ English dragon (root)
→ English pendragon (root)
→ English pendragon (derived)
→ Old English torht (root)
→ Old English torht (derived)
→ Old English torht (derived)
→ Assamese দিঠক (inherited)
→ Welsh edrych (inherited)
→ Welsh drych (inherited)
→ Middle English torhte (derived)
→ Irish dragan (root)
→ Irish chonaic (root)
→ Irish chonaic (derived)
→ Irish dreach (root)
→ Irish airdhirc (root)
→ Irish airdhirc (derived)
→ Gothic 𐌲𐌰𐍄𐌰𐍂𐌷𐌾𐌰𐌽 (mention)
→ Ancient Greek δέρκομαι (root)
→ Ancient Greek δέρκομαι (derived)
→ Ancient Greek ὑπόδρα (derived)
→ Manx honnick (derived)
→ Hindi देखना (root)
→ Hindi दिखाना (root)
→ Hindi दर्शन (root)
→ Hindi प्रदर्शन (root)
→ Hindi दिखना (root)
→ Hindi प्रदर्शक (root)
→ Hindi दृश्य (root)
→ Hindi प्रदर्शित (root)
→ Hindi दूरदर्शिता (root)
→ Ashokan Prakrit 𑀤𑁂𑀔𑀢𑀺 (root)
→ Prakrit 𑀲𑀸𑀭𑀺𑀘𑁆𑀙 (root)
→ Prakrit 𑀲𑀭𑀺𑀓𑁆𑀔 (root)
→ Konkani दिस्चे (inherited)
→ Latvian asara (mention)
→ Middle Irish derc (root)
→ Middle Irish airdircus (root)
→ Middle Irish airdircus (derived)
→ Pali diṭṭha (inherited)
→ Maharastri Prakrit 𑀤𑀺𑀲𑁆𑀲𑀇 (inherited)
→ Maharastri Prakrit 𑀤𑀺𑀝𑁆𑀞 (root)
→ Maharastri Prakrit 𑀤𑀺𑀝𑁆𑀞 (mention)
→ Sanskrit दृष्टि (inherited)