4-letter words containing s, i, d
- slid — to move along in continuous contact with a smooth or slippery surface: to slide down a snow-covered hill.
- spid — Service Provider ID
- ssid — Service Set Identifier
- svid — System V Interface Definition
- usdi — United States Department of the Interior: a US government department that is responsible for the conservation and management of federal land and for programmes that pertain to insular areas and Native Americans
- wdis — Who Do I Start?