created_{$taxonomy}
Action Hook: Fires after a new term in a specific taxonomy is created, and after the term cache has been cleaned.
Source: wp-includes/taxonomy.php:2715
edit_term_taxonomies
Action Hook: Fires immediately before a term to delete’s children are reassigned a parent.
Source: wp-includes/taxonomy.php:2087
add_term_relationship
Action Hook: Fires immediately before an object-term relationship is added.
Source: wp-includes/taxonomy.php:2853
edited_term_taxonomies
Action Hook: Fires immediately after a term to delete’s children are reassigned a parent.
Source: wp-includes/taxonomy.php:2102
added_term_relationship
Action Hook: Fires immediately after an object-term relationship is added.
Source: wp-includes/taxonomy.php:2873
delete_term_taxonomy
Action Hook: Fires immediately before a term taxonomy ID is deleted.
Source: wp-includes/taxonomy.php:2156
set_object_terms
Action Hook: Fires after an object’s terms have been set.
Source: wp-includes/taxonomy.php:2940
deleted_term_taxonomy
Action Hook: Fires immediately after a term taxonomy ID is deleted.
Source: wp-includes/taxonomy.php:2167
delete_term_relationships
Action Hook: Fires immediately before an object-term relationship is deleted.
Source: wp-includes/taxonomy.php:3019
delete_term
Action Hook: Fires after a term is deleted from the database and the cache is cleaned.
Source: wp-includes/taxonomy.php:2191