Races in Bleach that are polar opposite to each other?

[JohnCenaNation]

I'm not a Bleach expert here, but I'll try to name all the races in Bleach that shares yin and yang counterpart to each other, and try to provide reasons.

1) Shinigami & Quincy

Reasons: One kills to save souls and the other one kills to destroy souls.

2) Visored & Arrancar

Reasons: One is a Shinigami that has Hollow powers and the one is a Hollow that has Shinigami powers.

3) Gigai & Reigai

Reasons: One is a physical body that gives you form in the living world and the other one is a spiritual body that gives you form in the dead world.

4) Zanpakutō Spirit & Tōjü

Reasons: One is a soul cutter that have a master and the other one is a souls cutter that doesn't have a master.

5) Gikon & Kaizō Konpaku

Reasons: One is a normal type soul and the other one is a superhuman type soul.

6) Plus & Hollow

Reasons: One is a good soul and the one is a bad soul.

7) Konpaku & Togabito

Reasons: One is a soul that resides in Soul Society and the one is a soul that resides in Hell.

8) Noble Houses & Dark Ones

Reasons: One is a noble tribe and the other one is a fallen tribe.

9) Bount & Fullbringer

Reasons: One is a artificial human with powers and the other one is a natural human with powers.

Did I miss anything else?