how to repeat taxonomy in different places on wordpress

register_taxonomy( 'taxonomy', array( 'post', 'coupons' ), $args );

https://generatewp.com/taxonomy/ can help you.

// new code taxonomias
function clrp_taxonomy_post(){

    global $wpdb, $app_abbr; //need $wpdb!!
    if(get_option($app_abbr.'_coupon_store_tax_permalink')) $store_tax_base_url = get_option($app_abbr.'_coupon_store_tax_permalink'); else $store_tax_base_url="store";

    register_taxonomy( APP_TAX_STORE, // taxonomy stores
        array( APP_POST_TYPE_POST, APP_POST_TYPE ), // type POST + APP_POST_TYPE 
        array(  'hierarchical' => true,
            'labels' => array(
                'name' => __( 'Stores', 'appthemes'),
                'singular_name' => __( 'Store', 'appthemes'),
                'search_items' =>  __( 'Search Stores', 'appthemes'),
                'all_items' => __( 'All Stores', 'appthemes'),
                'edit_item' => __( 'Edit Store', 'appthemes'),
                'update_item' => __( 'Update Store', 'appthemes'),
                'add_new_item' => __( 'Add New Store', 'appthemes'),
                'add_or_remove_items' => __( 'Add or remove Stores', 'appthemes'),
                'separate_items_with_commas' => __( 'Separate Stores with commas', 'appthemes'),
                'choose_from_most_used' => __( 'Choose from the most common Stores', 'appthemes'),
                'new_item_name' => __( 'New Store Name', 'appthemes')
            ),
            'show_ui' => true,
            'query_var' => true,
            'update_count_callback' => '_update_post_term_count',
            'rewrite' => array( 'slug' => $store_tax_base_url, 'with_front' => false, 'hierarchical' => true ),
        )
    );
}

add_action('init', 'clrp_taxonomy_post', 0);