Explore Movie Vocabulary
Learn English with movies. Discover how much of a movie’s vocabulary you already know and review unfamiliar words before watching.

Harry Potter and the Prisoner of Azkaban
Unique vocabulary and phrases by level
How difficult is Harry Potter and the Prisoner of Azkaban in English?
Harry Potter and the Prisoner of Azkaban: 62.7% A1–A2 vocabulary; 19.1% B2, C1, and rare vocabulary. Vocabulary size: 1,452.
Unique vocabulary
- For A2 learners: 30.7% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 19.1% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 13.3% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
6.6% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
89.1% A1–A2 vocabulary; 6.4% B2, C1, and rare vocabulary; 1.7% Unclassified.
This counts repeated eligible words. Phrases are excluded from this calculation to avoid counting their component words twice.
Recurring words and phrases to preview
- hermione (rare): 71 occurrences in available subtitles.
Subtitle example:
HERMIONE: It's a cat, Ronald. What do you expect?
- hagrid (rare): 38 occurrences in available subtitles.
Subtitle example:
[HAGRID MUMBLING]
- dementor (rare): 29 occurrences in available subtitles.
Subtitle example:
...Hogwarts will, until further notice, play host to the dementors of Azkaban...
- draco (rare): 13 occurrences in available subtitles.
Subtitle example:
DRACO: Don't be such a wimp. - I'm okay. Okay.
- rat (B2): 11 occurrences in available subtitles.
Subtitle example:
[RAT SCREECHING]
Compare with titles in similar genres
- Harry Potter and the Goblet of Fire: 19.2% B2, C1, and rare vocabulary (0.2 percentage points more than Harry Potter and the Prisoner of Azkaban).
- The Legend of Ochi: 19.6% B2, C1, and rare vocabulary (0.6 percentage points more than Harry Potter and the Prisoner of Azkaban).
- Chitty Chitty Bang Bang: 18.4% B2, C1, and rare vocabulary (0.6 percentage points less than Harry Potter and the Prisoner of Azkaban).
These percentages describe vocabulary, not the proportion of dialogue you will understand. CEFR labels are estimates, not official film ratings. Accent, speed, songs, context, and your own vocabulary also affect comprehension. Repeated occurrences may include repeated dialogue or lyrics.
How we estimate vocabulary difficulty · Evidence generated: