unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics,
  Forms, Dialogs, SpellCheck,  Controls,
  StdCtrls;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    ListBox1: TListBox;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
    SpellCheck1: TSpellCheck;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  ListBox1.Clear;
  if SpellCheck1.IsMisspelled(Edit1.Text) then
    SpellCheck1.GetSuggestions(Edit1.Text, ListBox1.Items)
  else
    ShowMessage(Edit1.Text+' is not misspelled');
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  SpellCheck1 := TSpellCheck.Create(Self);
  SpellCheck1.AffFileName := ExtractFilePath(Application.ExeName)+'dict\en_GB.aff';
  SpellCheck1.DictFileName := ExtractFilePath(Application.ExeName)+'dict\en_GB.dic';
  SpellCheck1.Active := True;
end;

end.