This is the 13602nd most frequent Polish word.
planach
"Planach" is the locative plural form of "plan" in Polish, meaning "plans."
The word 'planach' is used here to express 'plans' in locative case due to the prepositional phrase 'na przyszłość' (for the future).
Mam wiele planach na przyszłość.
I have many plans for the future.
The usage of 'planach' here is locative case after the preposition 'o' (about), which necessitates this case in Polish.
Opowiem ci o naszych planach na weekend.
I will tell you about our plans for the weekend.
In this example, 'planach' is used in its locative case form due to the preposition 'o' (about), consistent with Polish grammar rules.