Check out these hush - hush lists for
romance category keywords, science fiction and fantasy keywords, and mystery, thriller, and suspense keywords.
Not exact matches
Amazon actually has a list of good
keywords for the
romance, fantasy / sci - fi and mystery / suspense / thrillers
categories.
While I'm aware that Amazon's browse
category pages aren't 100 % in sync with the reality on the sales pages, this page lists subcategory
keywords for
Romance:
Also, remember that the
keywords (you are allowed 7 per book on Amazon KDP) need to work with the
categories; for example, my books now have «clean
romance» as a keyword because they are in the Clean and Wholesome Romance ca
romance» as a
keyword because they are in the Clean and Wholesome
Romance ca
Romance category.