guarantee (noun)
Meaning – a formal assurance (typically in writing) that certain conditions will be fulfilled, especially that a product will be repaired or replaced if not of a specified quality.
Example of using it in a sentence: "This item has a one year guarantee.”
Synonyms: warranty, contract, covenant, bond, assurance, promise
It can also be used as a verb – provide a formal assurance, especially that certain conditions will be fulfilled relating to a produce, service or transaction.
Example of using it in a sentence: "The company guarantees to refund your money.”
Spelling Tip – don’t forget the letter ‘u’
g + u + a + ran + tee
Use the word as many times throughout the week as you can. This can be verbally, in your written work or listen out for other people using it.