> $("#tblWrods tr:last").insertAfter(_html);
1) You spelled tblWords wrong. 2) The order is backwards. Try $(_html).insertAfter("#tblWords tr:last"); or $("#tblWords tr:last").after(_html); instead.
> $("#tblWrods tr:last").insertAfter(_html);
1) You spelled tblWords wrong. 2) The order is backwards. Try $(_html).insertAfter("#tblWords tr:last"); or $("#tblWords tr:last").after(_html); instead.