This is the 11515th most frequent Polish word.
językach
"Językach" means "languages" (in plural, locative or instrumental case) in English.
Here, 'językach' is used in the locative case (grammatical case indicating location) to denote 'languages' as the content of speech.
Mówię w różnych językach.
I speak in different languages.
In this instance, 'językach' is used in the locative case to describe the topic of study related to 'languages' in an educational context.
Uczę się o językach w szkole.
I am learning about languages at school.
The word 'językach' is employed in the locative case, referring to the subject of conversation, which is 'foreign languages'.