Health food and Solid food

Health food noun - Any natural or prepared food popularly believed to promote good health.

Solid food and health food are semantically related. In some cases you can use "Solid food" instead a noun phrase "Health food".

Solid food noun - Any solid substance (as opposed to liquid) that is used as a source of nourishment.

Health food and solid food are semantically related. Sometimes you can replace phrase "Health food" with "Solid food", this phrases are similar.