Early
Premature
Synonyms Untimely, too soon, before time, prompt, quick, rapid, without delay, rathe, premature, too early, unseasonable, timely, speedy, fast, and expeditious.
Prior
Synonyms Advance, prior, preliminary, primary, test, forward, initial, first, pilot, and trial.
Prematurely
Synonyms Before the usual time, prematurely, ahead of time, in good time, before the appointed time, too soon, ahead of schedule, and betimes.
Example Sentences
I woke up early this morning.
She arrived early for the meeting.
Early preparation leads to success later.
He enjoys jogging early in mornings.