Mischief

вред

vred

(harm or trouble caused by an agent or brought about by a particular cause)

зло

zlo

(harm or trouble caused by an agent or brought about by a particular cause)

озорни́к

ozorník

(one who causes mischief)

озорство́

ozorstvó

(conduct that playfully causes petty annoyance)

прока́зник

prokáznik

(one who causes mischief)

ша́лость

šálostʹ

(conduct that playfully causes petty annoyance)

шалу́н

šalún

(one who causes mischief)