Words with "gno":
* Agnostic: One who believes that the existence of God is unknown or unknowable.
* Diagnosis: The identification of a disease or disorder.
* Gnosis: A state of deep, intuitive knowledge or insight.
* Ignorance: Lack of knowledge or information.
* Prognosis: A prediction of the course of a disease or disorder.
* Recognize: To identify someone or something as known.
* Cognition: The mental processes involved in knowing, understanding, and remembering.
* Cognizant: Having knowledge or awareness of something.
* Incognito: With one's identity concealed.
* Mnemonic: A device used to aid memory.
* Gnosticism: A group of ancient philosophical and religious systems emphasizing the importance of esoteric knowledge for salvation.
Words with "kno":
* Acknowledge: To admit the existence or truth of something.
* Knowledge: Facts, information, and skills acquired through experience or education.
* Unknown: Not known or identified.
Words with related roots:
* Epistemology: The study of knowledge.
* Pneumatic: Relating to air or gas, from the Greek word "pneuma" meaning "breath" or "spirit," related to "gnosis" in the sense of spiritual knowledge.
This is not an exhaustive list, but it gives you a good starting point for exploring words with the Greek root "gno" or "kno".