Difference between Flaxseed and Linseed

What is the difference between Flaxseed and Linseed?

Flaxseed as a noun is the seed of the flax plant; a source of linseed oil while Linseed as a noun is the seed of the flax plant, which yields linseed oil

We hope you now know whether to use Flaxseed or Linseed in your sentence.