South·end-on-Sea 
(sou′thĕnd-ŏn-sē, -ôn-)
(sou′thĕnd-ŏn-sē, -ôn-) A borough of southeast England at the mouth of the Thames River estuary. It is a manufacturing center and popular seaside resort.
- sodalite
- sodality
- soda niter
- soda pop
- soda water
- sodbuster
- sodden
- soddenly
- soddenness
- Soddy
- sodic
- sodium
- sodium alginate
- sodium ammonium phosphate
- sodium benzoate
- sodium bicarbonate
- sodium borate
- sodium carbonate
- sodium chlorate
- sodium chloride
- sodium citrate
- sodium cyanide
- sodium cyclamate
- sodium dichromate
- sodium fluoride