How to say "basis, foundation" in Russian?

[Osnova]

"basis, foundation" is Основа in Russian.

Основа means "basis, foundation" in English.

Word #1216 of 6,000 by frequency in Russian.

Знания — основа успешной карьеры.

Knowledge is the foundation of a successful career.

• Покупать, to buy
• Рыба, Fish
• Костюм, Suit
• Вновь, Again
• Словно, As if
• Весьма, Quite
• Встретить, To meet
• Пятница, Friday