Fealty vs Loyalty

When to use each in English, with meaning, register, and examples.

Fealty

Formal Beyond 10,000 (less common)

Loyalty

Top 2,000 (common) C1 noun

Most formal: Fealty Most common: Loyalty

	Fealty	Loyalty
Pronunciation	🇬🇧 //ˈfiːəlti// 🇺🇸 //ˈfiːəlti//	🇬🇧 //ˈlɔɪəlti// 🇺🇸 //ˈlɔɪəlti//
Meaning	A promise of loyalty to a lord or ruler.	Being faithful and supportive to someone or something.
Example	The knight pledged his fealty to the king during the ceremony.	Her loyalty to the company never wavered, even during tough times.
Register	Formal	Neutral
How common	Beyond 10,000 (less common)	Top 2,000 (common)
CEFR level	-	C1
Part of speech		noun
Collocations	swear fealty, fealty to a lord, pledge fealty, oath of fealty	demonstrate loyalty, show loyalty, loyalty program
Antonyms	disloyalty, betrayal, treachery	disloyalty, betrayal, infidelity
Common mistakes	Confused with 'fidelity' which refers more to faithfulness in relationships., Misused in casual settings where simpler terms like 'loyalty' are appropriate.	Confused with 'faithfulness' – loyalty emphasizes a commitment to a person or cause., Omitting 'to' when discussing loyalty – correct usage is 'loyalty to someone/something'.
Usage notes	Used primarily in historical or literary contexts. Not common in everyday speech, generally refers to loyalty in a feudal context.	Loyalty is often used in contexts involving relationships, brands, or beliefs. It's less commonly used in formal legal or financial documents. Avoid using it lightly in casual conversations.

See it in real clips

The Lord Of The Rings › The return of the king

Fealty with love.

Fealty

I pledge my ever-ending loyalty.

Band Of Brothers › S1 E1

...their loyalty lay more to the platoon than to the company.

They were trying to buy the loyalty of tribal leaders

I pledge my ever-ending loyalty.

Band Of Brothers › S1 E1

...their loyalty lay more to the platoon than to the company.

Loyalty

Frequently asked questions: Fealty vs Loyalty

What's the difference between Fealty and Loyalty?

Fealty: A promise of loyalty to a lord or ruler. Loyalty: Being faithful and supportive to someone or something.

Which is more formal: Fealty and Loyalty?

Fealty is the most formal of these.

Which is more common: Fealty and Loyalty?

Loyalty is the most common in everyday English.

Can you show an example of each?

Fealty: The knight pledged his fealty to the king during the ceremony. Loyalty: Her loyalty to the company never wavered, even during tough times.

Can I use Fealty and Loyalty interchangeably?

Not always. Fealty and Loyalty are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.