Choose the perfect synonym or antonym for the word

Ignorance

/ˈɪɡnərəns/

A lack of understanding or knowledge about a particular subject or fact.

Synonyms:

This word has no antonyms

His ignorance of the rules caused problems.Ignorance isn't bliss when safety is at risk.

From Middle English "ignorance", borrowed from Old French, from Latin "ignorantia", from "ignorare" meaning "not to know".

13 mentions per 1 million words

Moderate

Hint: Frequency according to COCA