Assurance vs Have a little faith

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

Assurance

FormalTop 3,000 (common)C1noun

Have a little faith

Beyond 10,000 (less common)
Most formal: AssuranceMost common: Assurance
 AssuranceHave a little faith
Pronunciation🇬🇧 /["/əˈʃʊərəns//əˈʃɔːrəns/"]/🇺🇸 /["/əˈʃʊrəns/"]/🇬🇧 //hæv ə ˈlɪt(ə)l feɪθ//🇺🇸 //hæv ə ˈlɪt(əl feɪθ//
MeaningA promise that something will happen or be true.Believe in something even if you have doubts.
ExampleThe company offered an assurance that their products were of the highest quality.When times are tough, you just have to have a little faith.
RegisterFormalNeutral
How commonTop 3,000 (common)Beyond 10,000 (less common)
CEFR levelC1-
Part of speechnoun
Collocationsabsolute, categorical, clear, have, give somebody, make, assurance about, assurance by, assurance from, despite assurances, calm, quiet, great, have, showhave faith, little hope, show faith, put faith, need faith
Antonymsdoubt, uncertainty, insecurity-
Common mistakesConfused with 'insure' or 'ensure', Used in informal situations where simpler words would be better, Mispronunciation, especially stressing the wrong syllableUsing it in overly serious contexts., Confusing with 'have faith' (less emphasis on 'little')., Misusing in negative statements.
Usage notesOften used in business or legal contexts when making promises or guarantees. Not commonly used in casual conversations.Use in contexts of encouragement or reassurance. It's positive and optimistic, often said informally.

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Assurance
Have a little faith

Frequently asked questions: Assurance vs Have a little faith

What's the difference between Assurance and Have a little faith?

Assurance: A promise that something will happen or be true. Have a little faith: Believe in something even if you have doubts.

Which is more formal: Assurance and Have a little faith?

Assurance is the most formal of these.

Which is more common: Assurance and Have a little faith?

Assurance is the most common in everyday English.

Can you show an example of each?

Assurance: The company offered an assurance that their products were of the highest quality. Have a little faith: When times are tough, you just have to have a little faith.

Can I use Assurance and Have a little faith interchangeably?

Not always. Assurance and Have a little faith 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.

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