/usr/share/myspell/dicts/uk.aff is in myspell-uk 1.7.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/myspell/dicts/../../hunspell/uk_UA.aff
/usr/share/myspell/dicts/../../hunspell/uk_UA.aff