for (int column= 0; column < grid.length ; column++){

if (columnString.hasWord(wordYou'reComparing){ //put String columnString = ""; somewhere outside the loops
print(Word found at ....);

columnString = ""; (this will clear it everytime you start a new column);

}

for (int row= 0; row < grid.length; row++{

grid[rows][column] += columnString


}// end of column loop
} // end of rows loop