Practise the thinking. Keep the judgement.
早く・速く (hayaku): Early; quickly
はやく
hayaku
Meaning
Early; quickly
Two original examples
今日は早く起きました。
I got up early today.
もう少し速く歩けますか。
Can you walk a little faster?
Usage and distinctions
早く is used for early timing; 速く for speed. Both are はやく. A bare 早く！ can sound like an impatient command to hurry. More context or a polite request changes the tone.