What English dictionary are you using? Using LibreOffice (US English) with no custom words, 10 of the words on your list appear as correctly spelled (amongst, a

What English dictionary are you using? Using LibreOffice (US English) with no custom words, 10 of the words on your list appear as correctly spelled (amongst, another's, conception, depersonalization, else’s, experientially, pathologies, tangly, unimpassioned, and unmoving). But in general I do have problems with this, and I've added hundreds of words to my custom dictionary.