Help With staticHTable Producing Wrong Output!

\\staticHTable.cc
#include <iostream>
#include "staticHTable.h"
#include <string>
using namespace std;

staticHTable::staticHTable ()
{
  int i;

  for (i=0; i < TABLE_SIZE; i++)
  {  
      sHTable[i].word = "";
      sHTable[i].definition = "";

  }
}

staticHTable::~staticHTable ()
{
}

int staticHTable::hash(const string& w)
{
  int i, sum;
  
  for (sum=0, i=0; ((w[i] != '\0') && (i < w.length())); i++)
    sum += (int)w[i];
  return sum % TABLE_SIZE;
}

int staticHTable::rehash(const string& w)
{
  int sum,i;

  for (sum=0, i=0; ((w[i] != '\0') && (i <w.length())); i++)
    sum += (int)w[i];

  return sum % 19;
}

void staticHTable::put(const string& w, const string& d)
{
  int i, home, inc;
  
  i = hash(w);
  cout<< "Hash table index for word is "
      << i << " and word is :" << w << endl;
  cout<< "Definition is :" << d << endl;

  
  if ((sHTable[i].word != "") && (sHTable[i].word != w))
    {
      home = i;  
      do
	{
          inc = rehash(w);
	  i = i + inc; 
	  if (i >= TABLE_SIZE)  
	    {
	      i = i - TABLE_SIZE; 
	    }
	} while ((sHTable[i].word != "") && (sHTable[i].word != w)
                && (home != i));
        if (sHTable[i].word == "")
        {
           sHTable[i].word = w;
           sHTable[i].definition = d;
           cout<< "inserted new key into hash table location "<<i
	  << endl;
        }
	else if (sHTable[i].word == w)
             {
	       sHTable[i].definition += "\n" + d;
             }
             else
                 cout<< "can't insert key into hash table - table is full\n";
    }
  else 
    sHTable[i].definition += "\n" + d;
}

const string staticHTable::get(const string& w)
{
  int i, home, k;
  
  i = hash(w);
  if ((sHTable[i].word != "") && (sHTable[i].word != w))
  {
     k = rehash(w);
     home = i;
     do
     {
         i = i + k;
         if  (i >= TABLE_SIZE)
	 {
	     i = i - TABLE_SIZE;
	 }
     } while ((sHTable[i].word != "") && (sHTable[i].word != w) 
              && (home != i));
     if (sHTable[i].word == w)
       return sHTable[i].definition; 
   }
  else if (sHTable[i].word == w)
       { return sHTable[i].definition;
       }
  return "";
}

\\ HTableTest.cc
#include <iostream>
#include "staticHTable.h"
using namespace std;

int main()
{
    string word, def;
    int i;
    staticHTable sTable;
    
    cout << "Enter word and definition (end by typing in exit): ";
    cin >> word,def;
    getline(cin, def);
    cout << endl;
    while (word != "exit")
    {
        sTable.put(word, def);
        cout << "Enter word and definition (end by typing in exit): ";
        cin >> word,def;
        getline(cin, def);
        cout << endl;
    } 
    
    cout << "Enter search word: ";
    cin >> word;
    if ((word = sTable.get(word)) !="")
    {
      cout << "Found word and definition is: " << def << endl;
    }
    else
    {
       cout << endl << "word not in table\n";
    }
    
    return 0;
}  

//staticHTable.h
#ifndef STATIC_TABLE
#define STATIC_TABLE

#include <string>

const int TABLE_SIZE = 23;

class staticHTable
{
   public:
      staticHTable();		// constructor ? create empty table
      ~staticHTable();		// destructor
   
      int hash(const string& w);  
      int rehash(const string& w);

     /* enter data into table.
     if the word is already present in the list, update the existing 
     definition by concatenating the current one */
     void put (const string& w,const string& d);
	        
     /* return definition associated with key 'w'
        return null string if 'w' is not present in the table */	
     const string get(const string& w);
	    
   private:
      struct
      {
	  string word;
	  string definition;
      } sHTable[TABLE_SIZE];
};
#endif