This is the 3009th most frequent German word.
bader
"Bader" in German historically refers to a bathhouse attendant or barber-surgeon.
In this context, 'Bäder' refers to public or ancient bathhouses.
Gestern besuchten wir die alten Bäder der Stadt.
Yesterday we visited the old baths of the city.
Here, 'Freibäder' is a compound form meaning outdoor swimming pools.
Im Sommer erfreuen sich Kinder an den Freibädern.
In summer, children enjoy the outdoor swimming pools.
In this sentence, 'Mineralbäder' specifies baths with mineral-rich water for therapeutic purposes.