OSM tag name=Two Union Square matches Two Union Square in these Wikidata fields:
| Office buildings completed in 1981 | building=commercial, landuse=commercial, office, building=office |
| Office buildings completed in 1989 | building=commercial, landuse=commercial, office, building=office |
| Skyscraper office buildings in Seattle | building=commercial, landuse=commercial, office, building=office |
| Twin towers | man_made=water_tower, building=tower, man_made=tower |