IAS or i.a.s.

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

• plongd
• plonge
• plonk
• plonked
• plonker
• plonkers
• plonkier
• plonkiest
• plonking
• plonkings
• plonks
• plonky
• plook
• plookie
• plookier
• plookiest
• plooks
• plop
• plopped
• oscillates
• oscillating
• oscillation
• oscillations
• oscillative
• oscillator