Why this word is great
DISUNION — [Noun] The separation or disintegration of a union, especially where unity is desired. From Middle French désunion, from dés- ("apart") + union ("union"), ultimately from Latin dis- ("apart") + unio ("oneness, unity"). Unlike "dissension" (which crackles with active discord) or "division" (which implies clean, deliberate partitions), disunion is the quiet, aching absence where connection once was. It is the frayed rope still dangling from a ship’s mooring, the cold space between two backs turned in a shared bed, or the way a family name lingers on a mailbox long after the house has emptied—not a rupture, but the hollow it leaves behind.