Russian Indeclinable Nouns

Did you know that some Russian nouns are indeclinable? Proper and common nouns, borrowed from foreign languages, ending in –э/-е, –о, –и, –у/-ю, and stressed –а/-я (foreign names and surnames ending in –a decline) are indeclinable.

For example,

Меню: menu

Кофе: coffee

Па: pas (French noun, meaning “step”)

Пальто: coat