Licenses
Word data comes from ENABLE (public domain), SCOWL (Kevin Atkinson), and 12dicts (Alan Beale, public domain).
ENABLE is in the public domain. The verbatim notice is in LICENSES/ENABLE.txt in the source repository.
SCOWL is copyright Kevin Atkinson, used under its MIT-like licence. The verbatim notice is in LICENSES/SCOWL-Copyright.txt.
12dicts is public domain work by Alan Beale. The 2of12inf inflections also depend on AGID (Kevin Atkinson). See LICENSES/12dicts.txt and LICENSES/AGID.txt.
Offensive-word seeds come from the List of Dirty, Naughty, Obscene and Otherwise Bad Words (Shutterstock), Creative Commons Attribution 4.0. The licence is LICENSES/LDNOOBW-CC-BY-4.0.txt. Slurs are removed from every output. Other sensitive words stay valid in solvers and never appear in featured slots, examples, the daily puzzle, titles, or share cards.