IAS or i.a.s.

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

• test beds
• test card
• test cards
• test case
• test cases
• test chart
• test charts
• test drive
• test-drive
• test-driven
• test drives
• test-drives
• test-driving
• test drove
• test-drove
• teste
• tested
• testee
• testees
• test entry 2 - can also be discarded
• Test entry - can be discarded
• tester
• testern
• testerned
• testerning