Cannabis resin and Natural resin

Cannabis resin noun - A resin obtained from the hemp plant; thought to be the active narcotic agent in marijuana.

Natural resin and cannabis resin are semantically related. In some cases you can use "Natural resin" instead a noun phrase "Cannabis resin".

Natural resin noun - A plant exudate.

Cannabis resin and natural resin are semantically related. Sometimes you can replace phrase "Cannabis resin" with "Natural resin", this phrases are similar.