| xecotcovach | Maya mythology |
|---|
| xedni | Sydney |
|---|
| xel | StarCraft |
|---|
| xena | Eris (dwarf planet) |
|---|
| xendless | Radiohead |
|---|
| xenon | Xenon |
|---|
| xenoplanet | Extrasolar planet |
|---|
| xenoplanets | Extrasolar planet |
|---|
| xenopus | African clawed frog |
|---|
| xeric | Galápagos Islands |
|---|
| xeroxing | Polymerase chain reaction |
|---|
| xevie | X Window System |
|---|