Combing keywords dental-dentist-office and chair

Can someone merge (and then redirect) the keyword dental-office (https://www.imdb.com/search/title/?keywords=dental-office&explore=keywords) into dentist-office (https://www.imdb.com/search/title/?keywords=dentist-office&explore=keywords) and merge and redirect dental-chair (https://www.imdb.com/search/title/?keywords=dental-chair&explore=keywords) into dentist-chair (https://www.imdb.com/search/title/?keywords=dentist-chair&explore=keywords)?