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

→ English what (root)
→ English how (root)
→ English who (root)
→ English whose (root)
→ English whom (root)
→ English which (root)
→ English whether (root)
→ English why (root)
→ English where (root)
→ English whither (root)
→ English whence (root)
→ English neither (root)
→ English nowhither (root)
→ English nowhence (root)
→ Welsh pan (root)
→ Ancient Greek τις (root)
→ Ancient Greek ποτέ (root)
→ Ancient Greek πως (root)
→ Ancient Greek πότε (root)
→ Ancient Greek πότερος (root)
→ Ancient Greek πόθεν (root)
→ Ancient Greek ποῦ (root)
→ Ancient Greek που (root)
→ Ancient Greek πῶς (root)
→ Ancient Greek ποῖος (root)
→ Ancient Greek τίς (root)
→ Ancient Greek ἕκαστος (root)
→ Ancient Greek πόσος (root)
→ Ancient Greek ὅπου (root)
→ Ancient Greek ὅπως (root)
→ Ancient Greek ποῖ (root)
→ Ancient Greek ποιός (root)
→ Ancient Greek πόθι (root)
→ Ancient Greek ποσός (root)
→ Ancient Greek ὁπότε (root)
→ Ancient Greek πῇ (root)
→ Ancient Greek πῃ (root)
→ Hindi कति (root)
→ Latin uter (root)
→ Latin uter (mention)
→ Latin quomodo (root)
→ Nepali कति (root)
→ Dutch wier (root)
→ Dutch wat (root)
→ Dutch hoe (root)
→ Dutch wie (root)
→ Dutch waar (root)
→ Dutch wanneer (root)
→ Dutch waarom (root)
→ Dutch waarvoor (root)
→ Dutch wiens (root)
→ Dutch welk (root)
→ Dutch welks (root)
→ Sanskrit कति (root)