WordPress rename archive titles.

functions.php

<?php
  
// Return an alternate title, without prefix, for every type used in the get_the_archive_title().
add_filter('get_the_archive_title', function ($title) {
    if ( is_category() ) {
        $title = single_cat_title( '', false );
    } elseif ( is_tag() ) {
        $title = single_tag_title( '', false );
    } elseif ( is_author() ) {
        $title = '<span class="vcard">' . get_the_author() . '</span>';
    } elseif ( is_year() ) {
        $title = get_the_date( _x( 'Y', 'yearly archives date format' ) );
    } elseif ( is_month() ) {
        $title = get_the_date( _x( 'F Y', 'monthly archives date format' ) );
    } elseif ( is_day() ) {
        $title = get_the_date( _x( 'F j, Y', 'daily archives date format' ) );
    } elseif ( is_tax( 'post_format' ) ) {
        if ( is_tax( 'post_format', 'post-format-aside' ) ) {
            $title = _x( 'Asides', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) {
            $title = _x( 'Galleries', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-image' ) ) {
            $title = _x( 'Images', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-video' ) ) {
            $title = _x( 'Videos', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-quote' ) ) {
            $title = _x( 'Quotes', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-link' ) ) {
            $title = _x( 'Links', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-status' ) ) {
            $title = _x( 'Statuses', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-audio' ) ) {
            $title = _x( 'Audio', 'post format archive title' );
        } elseif ( is_tax( 'post_format', 'post-format-chat' ) ) {
            $title = _x( 'Chats', 'post format archive title' );
        }
    } elseif ( is_post_type_archive() ) {
        $title = post_type_archive_title( '', false );
    } elseif ( is_tax() ) {
        $title = single_term_title( '', false );
    } else {
        $title = __( 'Archives' );
    }
    return $title;
});