Limit Tag Links in Post Content

function link_words( $text ) {
$replace="";
$tags = get_the_tags();
$count=0;
if ( $tags ) {
    foreach ( $tags as $tag ) {
        $count++;
        echo $sep . '<a href="'.get_tag_link($tag->term_id).'">'.$tag->name.'</a>';
        $sep = ', ';
          if( $count > 2 ) break;
    }
}

}
add_filter( ‘the_content’, ‘link_words’, 10, 1 );

Check this.