IAS or i.a.s.

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

• crankcase
• crankcases
• cranked
• crankhandle
• crankier
• crankiest
• crankily
• crankiness
• crankinesses
• cranking
• crankle
• crankled
• crankles
• crankling
• crankness
• cranknesses
• crank pin
• crank pins
• cranks
• crankshaft
• crankshafts
• crank-sided
• crank up
• cranky
• crannied