When doing a sparse tree using a property named with a hyphen (e.g. word-word2) this is not found/recognised. Instead if the property is named with an underscore (e.g. word_word2) the sparse tree works as expected. Emacs : GNU Emacs 28.0.92 (build 2, x86_64-w64-mingw32) of 2022-03-24 Package: Org mode version 9.5.2 (release_9.5.2-401-g91681f )