Sweet melon and Winter melon vine

Sweet melon noun - Any of several varieties of vine whose fruit has a netted rind and edible flesh and a musky smell.

Winter melon vine and sweet melon are semantically related. In some cases you can replace phrase "Winter melon vine" with "Sweet melon", this phrases are similar.

Winter melon vine noun - Any of a variety of muskmelon vines having fruit with a smooth white rind and white or greenish flesh that does not have a musky smell.

Sweet melon and winter melon vine are semantically related. You can use "Sweet melon" instead a noun phrase "Winter melon vine".