This is the 2327th most frequent Polish word.
wodne
"Water" or "aquatic" (related to water).
Here, the word 'wodne' serves as an adjective describing 'plants', indicating their aquatic nature.
Rośliny wodne rosną w jeziorach.
Aquatic plants grow in lakes.
In this sentence, 'wodne' describes 'sports', specifying that they are related to water.
Wodne sporty są popularne latem.
Water sports are popular in summer.
Here, 'wodne' modifies 'paints' (implied), indicating the type of paint as water-based.