WORD ORIGIN

Old English cnāwan (earlier gecnāwan ) ‘recognise, identify’, of Germanic origin; from an Indo-European root shared by Latin (g)noscere, Greek gignōskein (‘to know’, source of words such as agnostic), also by can and ken

acknowledge,  acknowledg(e)ment,  don’t-know,  foreknowledge,  knowable,  know-all,  know-how,  knowing(ly),  know-it-all,  knowledge(able),  knowledgeably,  known,  Know-Nothing,  lesser-known,  need-to-know,  self-knowledge,  unacknowledged,  unbeknown(st),  unknowable,  unknowing(ly),  unknown,  well-known,  you-know-what,  you-know-who
Only available upon request
Only available upon request
Only available upon request