There are 65 reserved keywords in Delphi programming (that is to say, keywords that you can't use as variable, function or structure declarations).
Here they are:
| and | array | as | asm | begin |
| case | class | const | constructor | destructor |
| dispinterface | div | do | downto | else |
| end | except | exports | file | finalization |
| finally | for | function | goto | if |
| implementation | in | inherited | initialization | inline |
| interface | is | label | library | mod |
| nil | not | object | of | or |
| out | packed | procedure | program | property |
| raise | record | repeat | resourcestring | set |
| shl | shr | string | then | threadvar |
| to | try | type | unit | until |
| uses | var | while | with | xor |