- Hendecagon (Wikipedia)
In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (The name hendecagon, from Greek hendeka “eleven” and –gon “corner”, is often preferred to the hybrid undecagon, whose first part is formed from Latin undecim “eleven”.
- Swamp Creek (Washington) (Wikipedia)
Swamp Creek is a tributary of the Sammamish River in Snohomish and King counties, in the U.S. state of Washington. It is also known as dxʷɬ(ə)q̓ab in Lushootseed, meaning “a wide place”.