The libreoffice-l10n-* packages don't have a hard dependency on spellchecking dictionaries, merely a Suggests, which explains why they might not be installed by default. Does the following command do what you need?
sudo apt reinstall --install-suggests libreoffice-l10n-?? (replace ?? by your language code of choice) ** Changed in: libreoffice (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878465 Title: Lubuntu 20.04/LibreOffice Lacks Spellchecker To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1878465/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs