Welcome to this interdisciplinary lament for the words that the English language lacks for lamenting. Just like grief, it manifests is a wide variety of surprising forms including entries, illustrations, and irl events. Oh, and there is a book version that you can buy.
Before you dive in to this ongoing project, you might want to read the guide, the introduction, or the dedication. Be aware that some entries deal with aspects of grief that may be uncomfortable or triggering.