Athletic game and Water polo

Athletic game noun - A game involving athletic activity.

Water polo and athletic game are semantically related. In some cases you can replace phrase "Water polo" with "Athletic game", this phrases are similar.

Water polo noun - A game played in a swimming pool by two teams of swimmers who try to throw an inflated ball into the opponents' goal.

Athletic game and water polo are semantically related. You can use "Athletic game" instead a noun phrase "Water polo".