Wikipedia:S

WP:S may be a shorthand for the following shortcuts:
 * WP:SAND → Sandbox
 * WP:SEARCH → Help:Searching (target of the shortcut until March 2022)
 * WP:SECONDARY → No original research
 * WP:SIG → Signatures
 * WP:SOCK → Sockpuppetry
 * WP:SOURCE → Verifiability
 * WP:SPEEDY → Criteria for speedy deletion
 * WP:STATS → Statistics
 * WP:STN → Sanctions
 * WP:SUMMARY → Summary style
 * WP:SYND → Syndication
 * WP:SYNTHESIS → No original research