List posts in a category grouped by other categories?

Related Posts:

1. Remove the category/taxonomy description field?
2. Add ‘Description’ to taxonomy ‘Quick Edit’
3. Add Thumbnail to wp_list_categories()
4. Count argument in get_terms has no effect on ouput/doesn’t work
5. Trying to list terms of a custom taxonomy using get_categories
6. Embed YouTube video on category description
7. Best way to programmatically link to multiple categories (union/intersection) [closed]
8. Show list of custom taxonomies when another taxonomy is selected
9. How do I query a taxonomy term range
10. Display Taxonomy Description on edit-tags screen?
11. How to display terms from a custom taxonomy in a hierarchy AND with custom html markup?
12. Creating links to a page displaying posts from a particular category
13. Exclude taxonomy term from list of current taxonomy terms
14. Make/create a category for every page
15. How Can I List Categories by Date?
16. Delete Term via edit-tags.php
17. Is There a Difference Between Taxonomies and Categories?
18. How to show a hierarchical terms list?
19. Get Posts Under Custom Taxonomy
20. Adding Fields to the Category, Tag and Custom Taxonomy Edit Screen in the WordPress Admin?
21. The Difference Between Hierarchical and Non-Hierarchical Taxonomies?
22. How to perform unit testing on proposed patches in Trac?
23. Attaching taxonomy data to post with wp_insert_post
24. Need a simple but complete example of adding metabox to taxonomy
25. How to get taxonomy term of the current page and populate queries in the template
26. Can I add a Category Metabox to attachment?
27. Can the default “post tags” taxonomy be renamed?
28. Custom columns for taxonomy list table
29. Custom Taxonomy WP_Query for All Terms in a Taxonomy?
30. Custom taxonomy list page?
31. How to change permalink structure for custom post type and it’s taxonomies?
32. Get the first post term
33. Check if a post is in any child category of a parent category
34. How to add a default item to a custom taxonomy?
35. How to export and import taxonomies (category, tag and/or custom taxonomy) and their terms
36. How to add images to taxonomies?
37. Why does get_term() require taxonomy? Are term_ids not unique?
38. How does Woocommerce store variation attributes, and how can they be retrieved per-variation? [closed]
39. tax_query in get_posts() not working?
40. How to display non-hierarchical taxonomy as terms with checkboxes?
41. get_categories for custom post type with a specific custom taxonomy attached
42. Different post sort order within different categories
43. What is wp_insert_term “alias_of” arg for?
44. Automatically Assign Parent Terms When A Child Term is Selected
45. Control term order on a per-post basis
46. Could not insert term into the database
47. How can I add the featured image functionality to a custom taxonomy?
48. Creating “static” taxonomies to choose from, inside custom post type?
49. Share one taxonomy across multiple blogs in 3.0 [duplicate]
50. get term by id without taxonomy
51. Can a Child Category Have More than One Parent?
52. Combine two taxonomies in a hierarchical tree
53. How can I list all the categories under a Custom Post Type (taxonomy)?
54. Weird behaviour when adding terms/term_taxonomies programmatically
55. How to organize and cache additional data associated with terms?
56. Using pre_get_posts to set posts per page, how do I?
57. get a specific taxonomy term name
58. Exclude posts that only have the ‘Uncategorized’ category [duplicate]
59. wp_set_object_terms() Fails to Set Terms
60. wp_set_object_terms() — prevent overwrite?
61. Taxonomy terms sort by… Last name!
62. List Hierarchical Term List with Count with Related Term
63. How to list all categories and tags in a page?
64. How can I select a primary category?
65. wp_update_nav_menu_item() to insert categories
66. Is there a way to set singular/plural labels for taxonomy term names?
67. WordPress – Creating multiple versions of the same single-customtype.php depending on selected taxonomy categories
68. Better way to enforce category hierarchy in post_categories_metabox?
69. get_terms() How many is TOO many?
70. Exclude custom taxonomy from search results and archive pages
71. Child Terms not Displaying on the Taxonomy Term Admin Screen
72. get_terms with posts that have a different taxonomy with term x
73. Admin Panel – Disable Moving Selected Terms To Top of Metabox
74. How to display child term of current term’s parent taxonomy?
75. How to make custom taxonomy check boxes like ‘Categories’
76. List all taxonomy terms / Show links if posts are attached, else names
77. List taxonomy terms as links
78. check if tag exists in wp database
79. Sorting custom taxonomy causes menus error
80. How to overwrite a specific parameter in a core taxonomy?
81. Create terms when registering taxonomy?
82. Set a cookie in WordPress, using a select form and Jquery
83. How to add terms to taxonomy with wp_insert_terms?
84. How to update taxonomy custom field with wp_update_term()?
85. How to create non-unique sub-category slugs?
86. Counting number of posts with Category B in Category A
87. Get_term_by only returns one item from array
88. How to sort list of custom posts to get view like a tree of posts under categories and their children’s categories?
89. How to set a Preset category for custom post types?
90. Can we have same term slug in different taxonomies?
91. Is there any difference between post in child term and child & parent terms?
92. How can you make permalink work for custom post type and taxonomy?
93. Add additional data to a specific taxonomy term when used in a post
94. Counting number of posts in a category and its sub categories and displaying result using shortcode
95. Set default (auto) slug prefix for Tags
96. How to get next previous category in same taxonomy?
97. How to get a list of term names of the custom post type im currently on in single.php
98. How to have “the most used tags” taxonomy always expanded?
99. Get parent and first child taxonomy terms?
100. Display only deepest category on a single post?