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

Stalag 17
Unique vocabulary and phrases by level
How difficult is Stalag 17 in English?
Stalag 17: 63.6% A1–A2 vocabulary; 19.0% B2, C1, and rare vocabulary. Vocabulary size: 1,552.
Unique vocabulary
- For A2 learners: 28.1% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 19.0% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 14.1% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
8.3% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
91.1% A1–A2 vocabulary; 4.8% B2, C1, and rare vocabulary; 1.9% 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
- barrack (rare): 41 occurrences in available subtitles.
Subtitle example:
Take the story about the spy we had in our barracks.
- ease (B1): 21 occurrences in available subtitles.
Subtitle example:
At ease!
- war (B1): 16 occurrences in available subtitles.
English meaning: Armed fighting between countries or groups.
Subtitle example:
but it makes me sore seeing those war pictures about flying leathernecks,
- security (B2): 15 occurrences in available subtitles.
Subtitle example:
Price was elected Security.
- barracks (C1): 14 occurrences in available subtitles.
Subtitle example:
Sergeant Hoffman of Barracks 4. - Yes, Sergeant Hoffman?
Compare with titles in similar genres
- War Machine: 18.8% B2, C1, and rare vocabulary (0.3 percentage points less than Stalag 17).
- M A S H: 19.8% B2, C1, and rare vocabulary (0.8 percentage points more than Stalag 17).
- The Great Dictator: 16.4% B2, C1, and rare vocabulary (2.6 percentage points less than Stalag 17).
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: