<?php
$args=array(
  'public'   => true,
  '_builtin' => false
);
$output = 'names'; // or objects
$operator = 'and';
$taxonomies=get_taxonomies($args,$output,$operator);
if  ($taxonomies) {
  foreach ($taxonomies  as $taxonomy ) {
    $terms = get_terms($taxonomy);
        foreach ( $terms as $term) {
?>
        <li><br><a href="#"><input type="checkbox" name="profile[]" value=""><?php echo $term->name; ?> <br/></a></li>
       <?php
                }
              }
            }
            ?>

$terms = get_terms([
    'taxonomy' => $taxonomy,
    'hide_empty' => false,
]);

<?php $wcatTerms = get_terms('product_cat', array('hide_empty' => 0, 'parent' =>0));
   foreach($wcatTerms as $wcatTerm) :
   ?>
<ul>
   <li>
      <a href="<?php echo get_term_link( $wcatTerm->slug, $wcatTerm->taxonomy ); ?>"><?php echo $wcatTerm->name; ?></a>
      <ul class="megaSubCat">
         <?php
            $wsubargs = array(
               'hierarchical' => 1,
               'show_option_none' => '',
               'hide_empty' => 0,
               'parent' => $wcatTerm->term_id,
               'taxonomy' => 'product_cat'
            );
            $wsubcats = get_categories($wsubargs);
            foreach ($wsubcats as $wsc):
            ?>
         <li><a href="<?php echo get_term_link( $wsc->slug, $wsc->taxonomy );?>"><?php echo $wsc->name;?></a></li>
         <?php
            endforeach;
            ?>
      </ul>
   </li>
</ul>
<?php
   endforeach;
   ?>