Free English IPA Dataset — CEFR-graded words with GA and RP
Downloadable in CSV and JSON. Attribution required (CC BY 4.0). Suitable for research, apps, and classroom use.
Copy the line below into your paper, README, or product credits:
The CSV has these 6 columns. The JSON version includes additional fields (respell, neighbors, etc.).
| Column | Description | Example |
|---|---|---|
word | The English word (lowercase). | caterpillar |
ipa_ga | General American IPA in slash notation. | /ˈkæɾɚˌpɪlɚ/ |
ipa_rp | Received Pronunciation IPA in slash notation. | /ˈkætəˌpɪlə/ |
cefr | CEFR level A1–C2 (or empty). | B1 |
pos | Part of speech. | noun |
gloss_en | Short English gloss / definition. | a caterpillar (larva of butterfly) |
Simple loading snippets in common languages.
Python
import csv
with open("wordlist-ga-rp-cefr.csv") as f:
for row in csv.DictReader(f):
print(row["word"], row["ipa_ga"], row["cefr"])
JavaScript (Node)
import data from "./wordlist-ga-rp-cefr.json" assert { type: "json" };
console.log(data.length);
console.log(data[0]);