почему vs потому
pochemu vs potomu — why vs because/for that reason
Register: neutral
What it really means
Почему asks why. Потому occurs chiefly in потому что, “because,” and in поэтому-related logic; alone it can mean “for that reason” in limited contexts. The common answer to почему is потому что + reason.
Examples in natural speech
Common mistakes
Do not answer почему with bare потому in ordinary speech; say потому что. Поэтому means therefore, not because.
Memory tip
Почему asks for the cause; потому что supplies it.
Frequently asked questions
How do I say because?
Потому что.
How do I say why?
Почему.
What means therefore?
Поэтому.
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