2. Of what; — used interrogatively. Whereof was the house built Johnson.

WHEREON
Where*on", adv.

1. On which; — used relatively; as, the earth whereon we live. O fair foundation laid whereon to build. Milton.

2. On what; — used interrogatively; as, whereon do we stand

WHEREOUT
Where*out", adv.

Defn: Out of which. [R.]
The cleft whereout the lightning breaketh. Holland.

WHERESO
Where"so, adv.

Defn: Wheresoever. [Obs.]

WHERESOE'ER
Where`so*e'er", adv.

Defn: Wheresoever. [Poetic] "Wheresoe'er they rove." Milton.