different between sixer vs sixes

English

From six +? -er.

sixer (plural sixers)

A Cub Scout or Brownie who leads a group of six. Whence also Senior Sixer.
- 1995, Boy Scouts of Canada. National Council, The Cub Book
  Many packs have a sixer's council where the sixers, and sometimes the seconds, meet with Akela and some of the other leaders.
(slang) A prison sentence of six months
- 1869, A Merchant. Editor: Frank Henderson, Six Years in the Prisons of England
  The copper knew I did that job, and had me up on suspicion some time after, and gave me a drag (three months) over it. The next bit I did was a 'sixer' (six months), and I escaped from prison in about three weeks after I got it.

sixes

sixes pl (plural only)

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