1. Both are metals: Gold and iron are both metallic elements, which means they have a shiny surface, are good conductors of heat and electricity, and are malleable and ductile.

2. Both can be used to make jewelry: Gold and iron can both be used to make jewelry, although gold is more commonly used for this purpose due to its higher value and more attractive appearance.

3. Both can be used to make tools: Gold and iron can both be used to make tools, although iron is more commonly used for this purpose due to its higher strength and durability.

Differences

1. Color: Gold is a yellow metal, while iron is a grayish-black metal.

2. Value: Gold is a much more valuable metal than iron.

3. Hardness: Gold is a softer metal than iron.

4. Strength: Iron is a stronger metal than gold.

5. Durability: Iron is a more durable metal than gold.

6. Reactivity: Gold is a less reactive metal than iron, which means it is less likely to corrode or rust.

7. Magnetic properties: Iron is a magnetic metal, while gold is not.