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 *ǵneh₃-

→ English can (root)
→ English can (inherited)
→ English gnosis (root)
→ English know (root)
→ English know (derived)
→ English kith (derived)
→ English con (root)
→ English con (inherited)
→ English cognition (root)
→ English cognitive (root)
→ English ignore (root)
→ English could (root)
→ English diagnosis (root)
→ English keen (derived)
→ English ken (root)
→ English gnome (root)
→ English gnomon (root)
→ English gnomon (derived)
→ English agnostic (root)
→ English prognosis (root)
→ English cunning (root)
→ English cunning (root)
→ English canny (root)
→ English uncanny (root)
→ English ignorance (root)
→ English recognize (root)
→ English cognize (root)
→ English agnosia (root)
→ English uncouth (root)
→ English diagnose (root)
→ English noble (root)
→ English ignoramus (root)
→ English Gnostic (root)
→ English recognition (root)
→ English incognito (root)
→ English kithe (root)
→ English ignorant (root)
→ English cognizant (root)
→ English cognizance (root)
→ English couth (root)
→ Afrikaans kan (root)
→ Afrikaans kan (derived)
→ Old English cunnan (root)
→ Old English cunnan (derived)
→ Old English cennan (root)
→ Old English cuþ (root)
→ Old English uncuþ (root)
→ Old English cnawan (root)
→ Old English cnæwe (root)
→ Old English cnæwe (derived)
→ Assamese জানা (root)
→ Assamese জনা (root)
→ Belarusian знаць (derived)
→ Kamkata-viri źāña (mention)
→ Kamkata-viri zāře (mention)
→ Czech znát (derived)
→ Old Church Slavonic знати (root)
→ Old Church Slavonic знати (inherited)
→ Welsh adnabod (root)
→ Welsh adnabod (mention)
→ Danish kunne (root)
→ Danish kunne (inherited)
→ Danish kende (root)
→ German können (root)
→ German können (derived)
→ German kennen (root)
→ German kund (root)
→ German künden (root)
→ Middle Dutch kennen (derived)
→ Middle Dutch connen (root)
→ Middle Dutch connen (derived)
→ Middle English kene (inherited)
→ Middle English knowen (root)
→ Middle English forcouth (root)
→ Persian شناختن (root)
→ Finnish kone (root)
→ Finnish kone (derived)
→ Faroese kunna (root)
→ Faroese kunna (derived)
→ Faroese kenna (root)