IAS or i.a.s.

1. Immediate access store (computing)
2. Immigration Advisory Service
3. Indicated air speed (aeronautics)
4. Instrument approach system

• parisons
• Paris white
• parisyllabic
• parities
• paritor
• paritors
• parity
• parity check
• parity checks
• parity law
• park
• parka
• park-and-ride
• parkas
• parked
• parkee
• parker
• parkers
• parki
• parkie
• parkier
• parkies
• parkiest
• parkin
• parking