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Click a rhyme and a soft thread of light weaves under the text through every member of its family — a spine following the line-ending rhymes with internal rhymes forking off, drawn-in on click, nodes sized by each word's strength, anchored to the rhyming tail. Renders beneath the glyphs (z-index 0) with a gentle gaussian glow so it reads as light from underneath, not a stroke on top. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
RhymePad
A scratchpad for poets & rappers. Write in the pad; rhymes are detected phonetically (CMU Pronouncing Dictionary) and color-coded as you type — end rhymes, internal rhymes, and slant rhymes included. Comes with a rhyme/synonym lookup, draggable stanza reordering, and synthesized beats with adjustable tempo.
Run
$ uv run uvicorn app:app --reload
Then open http://127.0.0.1:8000.
How rhyme detection works
- Every word is mapped to its CMU phonemes (
pronouncing), with lyric-friendly fallbacks (runnin'→running, possessives, and a spelling heuristic for made-up words). - Perfect rhymes share everything from the last stressed vowel on
(
tonight/light/flight→AY T). These are matched anywhere in a line — that's the internal rhyme detection. - Slant rhymes share just the vowel sounds from the last stressed
vowel (
hold/coal). Applied to line endings that didn't find a perfect match. - Same color = same sound. Underline = line-ending rhyme (the stanza's a/b/a/b scheme); soft glow only = internal rhyme.
API
POST /api/analyze{"text": "..."}→ token spans, rhyme groups, per-stanza schemes, per-line meterGET /api/lookup?word=light&mode=rhyme|near|syn→ frequency-ranked rhymes / near rhymes (by syllable count) and WordNet synonyms (by part of speech)
Dictionary definitions in the UI come from the free dictionaryapi.dev; everything else is served locally.