ICA

1. Institute of Chartered Accountants (ICAEW of England and Wales; ICAI of Ireland)
2. Institute of Contemporary Arts
3. Invalid Care Allowance (now replaced by Carer's Allowance)

• deicide
• deicides
• de-icing
• deictic
• deictically
• deid
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• deid-thraws
• deific
• deifical
• deification
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• deign
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• dei gratia
• deil