4-letter words containing m, i, s
- spim — a type of spam that is sent by means of instant messaging.
- stim — a very small amount
- sumi — black ink made from a mixture of plant soot and glue solidified into sticks or cakes the ends of which are scraped or ground into water on an ink slab, much used by calligraphers and painters.
- swim — to move in water by movements of the limbs, fins, tail, etc.
- tsim — Time Simulator
- uims — User Interface Management System: a system supporting the development and execution of user interfaces, usually on top of windowing systems.