This is the 1879th most frequent Russian word.
подростков
"Teenagers" or "adolescents."
Plural noun used to refer to multiple teenagers in the context of describing a scene.
Группа подростков гуляла по парку.
A group of teenagers was walking in the park.
Genitive plural used to denote possession or association with the teenagers as a group.
Образ жизни подростков меняется с развитием технологий.
The lifestyle of teenagers changes with the development of technology.
Accusative plural indicating the direct object of the verb, referring to teenagers being helped.