AI Rap Songs rhyme index (adapted data, CC BY-SA 4.0). CMUdict ©1993–2015 Carnegie Mellon University, BSD-style licence. https://github.com/cmusphinx/cmudict/tree/74790861f652b15e4ac49015a90074ad62a27690 wordfreq ©2022 Robyn Speer, data CC BY-SA 4.0. https://github.com/rspeer/wordfreq/tree/42233e6c36ce792031bcccfa17cdd0cec9af5fa7 Sources include OpenSubtitles; Google Books Ngrams (https://books.google.com/ngrams); SUBTLEX authors Marc Brysbaert et al. SUBTLEX is freely available data. See WORDFREQ-NOTICE.md and CMUDICT-LICENSE.txt. Changes: CMU pronunciations combined with wordfreq bins; offensive/closed-class results and regular inflection duplicates removed; primary stress and full vowel tails preserved; suggestions Zipf>=3.20 except task-specified porridge/forage (>=3.00), commonness first; split into JSON lookup/phonetic/spelling shards. Rebuild: node scripts/build-rhymes.mjs (offline).