This is the 8451st most frequent German word.
kenntnis
Knowledge; awareness; understanding.
Here, 'Kenntnisse' is used to denote the acquired, plural form of expertise or knowledge in a certain domain, specifically referring to skills in the German language.
Ich habe gute Kenntnisse in der deutschen Sprache.
I have good knowledge of the German language.
In this sentence, 'Kenntnis' is used in a singular form to express awareness or cognizance of a particular matter or situation.
Er hat keine Kenntnis von diesem Problem.
He is not aware of this issue.
Here, 'Kenntnis' is utilized in its singular form to indicate understanding or awareness of specific rules that are essential for performing well in the exam.