Imprecate
Part of speech: verb
Definition: To call down by prayer, as something hurtful or calamitous. To invoke evil upon; to curse; to swear at.
Swear
Part of speech: noun
Definition: A swearword.
Part of speech: verb
Definition: To take an oath.To use offensive language.
Example sentence: I swear I will do everything in my power to change the situation in Tibet where human rights are being suppressed. Tibet seeks freedom and democracy and we agree on those values.