The teacher sounded her words slowly, careful to show which syllable to stress: eyebrow. Cheekbones. Hair.

The students, arranged in a semicircle around her, parroted them back. But they were not there to learn a foreign tongue: Aged 11 to 70, they were Ukrainians, in Ukraine, trying to master the official language of their own country.

Since Russia’s invasion, a number of language clubs have opened in cities in western Ukraine. Teachers and volunteers are reaching out to millions of displaced people who have fled to the relative safety of western cities like Lviv from the Russian-speaking east — encouraging them to practice and embrace Ukrainian as the language of their daily lives.