The 'ballot' group
These nouns refer to ways of selecting a person or thing, or deciding something. All these nouns except acclamation, lot, and merit are count nouns.
by acclamation by ballot by examination by interview by lot by lottery by majority vote by merit by referendum
The membership has elected them by ballot and they are entitled to make decisions.
There will be no selection either by examination or by interview under a Labour government.
In the event of a tie, the matter shall be decided by lot.