What context can I use each word in?
Learn when and how to use these words with these examples!
treacherousness
Example
The treacherousness of the mountain path made it difficult to climb. [treacherousness: noun]
Example
He showed his treacherousness by betraying his friend's trust. [treacherousness: noun]
perfidy
Example
His perfidy was revealed when he stole money from the company. [perfidy: noun]
Example
She was known for her perfidy, always breaking promises and lying to others. [perfidy: noun]
Good things to know
Which word is more common?
Treacherousness is less common than perfidy in everyday language. Perfidy is more versatile and can be employed in various formality levels, allowing it to be used in both formal and informal contexts.
What’s the difference in the tone of formality between treacherousness and perfidy?
Perfidy is a more formal word than treacherousness and is often used in legal or political contexts. Treacherousness is typically associated with a more casual and informal tone.