The grammar patterns 〜ても and でも are commonly used in Japanese to express even if or even though scenarios.

〜ても is used with verbs and い-adjectives, while でも is used with nouns and な-adjectives.

Below are some examples of even if scenarios, where we express that a certain condition won’t change the outcome. The action or state will remain true regardless of the hypothetical condition.

And below are some examples of even though scenarios, in which we express contrast, showing that something happens despite an existing situation or fact.

Lastly, here are some other common usages, which show flexibility or tolerance, and don't directly translate into even if or even though.

Breakdown of kare ha nihonzin de mo, nihongo ga hanasemasen.