Carat and carrot are, of course, homophones. And this means that phrases such as ’24-carrot gold’ are commonplace. It’s an amusing mistake, but not when someone else finds it in your writing.
Carat
- (or karat) a measure of the purity of gold
- a unit of weight of precious stones
Carrot
- tapering root vegetable (often orange in colour)
- the plant that produces carrots
- something offered as an incentive or a means of persuasion
My tip: carrots are root vegetables (and they will rot).
Sources:

the most important or senior person in an organisation
Descent
to move by turning over and over; to rotate
Aloud
You might be most familiar with these homophones as a brand of footwear (Dr. Martens) and a common male name (Martin). But if you find yourself writing or reading about wildlife, it is important to know the difference in that context.
Peal
Mnemonic