zhòu​yǔ

spell

咒语 (咒語) zhòu​yǔ
spell noun
words or a magical formula used as an incantation or enchantment to produce a supernatural effect

The wizard whispered an incantation, and the stone door slowly opened.

curse noun
a magical formula intended to invoke supernatural power to inflict harm or misfortune on someone

The evil witch left a wicked curse on the entire village before she left.

Frequency

Movie subtitles
10.9 per million appears in 2% of films
Written text
2.05 per million

Sources

Definitions
CC-CEDICT