This is the 666th most frequent Hebrew word.
בזכות
"Thanks to" or "by virtue of."
Used to indicate the reason for his success (the hours of study).
הוא הצליח במבחן בזכות השעות הרבות שהקדיש ללימוד.
He succeeded in the exam thanks to the many hours he dedicated to studying.
Indicates the reason (her contribution) for the project's fast progress.
בזכותה, הפרויקט התקדם בצורה מהירה יותר.
Thanks to her, the project progressed more quickly.
Points to the causation (that which provided) the freedom of speech.