rýchlejí
The word "rýchleji" is the comparative form of the Czech adjective "rýchlý," meaning "fast" or "quick." As a comparative, "rýchleji" indicates a greater degree of speed or quickness when comparing two or more things. It is an adverbial form, typically modifying verbs to describe how an action is performed. For example, one might say "auto jede rýchleji" (the car drives faster) or "on se učí rýchleji" (he learns faster).
The Czech language, like many Slavic languages, has a system of grammatical declension and conjugation. Adjectives