permalloy

As nouns the difference between alloy and permalloy

is that alloy is a metal that is a combination of two or more elements, at least one of which is a metal while permalloy is any of a class of nickel / iron alloys that have a high magnetic permeability.

As a verb alloy

is to mix or combine; often used of metals.

As nouns the difference between iron and permalloy

is that iron is a common, inexpensive metal, often black in color, that rusts, is attracted by magnets, and is used in making steel while permalloy is any of a class of nickel / iron alloys that have a high magnetic permeability.

As an adjective iron

is made of the metal iron.

As a verb iron

is to pass an iron over (clothing or some other item made of cloth) in order to remove creases.

As a proper noun nickel

is .

As a noun permalloy is

any of a class of nickel / iron alloys that have a high magnetic permeability.