This is the 16898th most frequent Russian word.
содержащие
"Containing."
The word 'содержащие' (containing) here functions as an adjective modifying 'words', specifying that they contain important information.
В тексте были выделены слова, содержащие важную информацию.
In the text, words containing important information were highlighted.
The word 'содержащие' (containing) in this sentence describes 'products', indicating that the products have less sugar.
Он предпочитает продукты, содержащие меньше сахара.
He prefers products containing less sugar.
Here, 'содержащие' (containing) qualifies 'movies', explaining that the movies include scenes of violence.