Canned meat and Canned foods

Canned meat noun - Meat preserved in a can or tin.

Canned foods and canned meat are semantically related. In some cases you can use "Canned foods" instead a noun phrase "Canned meat".

Canned foods noun - Food preserved by canning.

Canned meat and canned foods are semantically related. Sometimes you can replace phrase "Canned meat" with "Canned foods", this phrases are similar.