Express luxury liner and Ocean liner

Express luxury liner noun - A liner equipped for sumptuous living.

Ocean liner and express luxury liner are semantically related. In some cases you can use "Ocean liner" instead a noun phrase "Express luxury liner".

Ocean liner noun - A large commercial ship (especially one that carries passengers on a regular schedule).

Express luxury liner and ocean liner are semantically related. Sometimes you can replace phrase "Express luxury liner" with "Ocean liner", this phrases are similar.