Proclaim vs Guarantee - What's the difference?

As verbs the difference between proclaim and guarantee

is that proclaim is to excitedly, verbosely and candidly describe while guarantee is to assure that something will get done right.

anything that assures a certain outcome.

(en verb)

To excitedly, verbosely and candidly describe.

To announce or declare.

, title=(The Celebrity), chapter=2 , passage=Sunning himself on the board steps, I saw for the first time Mr. Farquhar Fenelon Cooke.

(en noun)

Anything that assures a certain outcome.

Can you give me a guarantee that he will be fit for the match?

A written declaration that a certain product will be fit for a purpose and work correctly.

The cooker comes with a 5-year guarantee .

A person who gives such a guarantee; a guarantor.

(South)

The person to whom a guarantee is made.

(d)

To assure that something will get done right.

To assume responsibility for a debt.

To make something certain.

The long sunny days guarantee a good crop.

* assure * warrant