Medium-large and Queen-size

Medium-large adjective - Of anything that is large but not the largest.

Queen-size and medium-large are semantically related. In some cases you can use "Queen-size" instead an adjective phrase "Medium-large".

Queen-size adjective - (used especially of beds) not as large as king-size.

Medium-large and queen-size are semantically related. Sometimes you can replace phrase "Medium-large" with "Queen-size", this phrases are similar.