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

Phase IV
Unique vocabulary and phrases by level
How difficult is Phase IV in English?
Phase IV: 65.4% A1–A2 vocabulary; 13.0% B2, C1, and rare vocabulary. Vocabulary size: 885.
Unique vocabulary
- For A2 learners: 26.7% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 13.0% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 7.8% of unique vocabulary is above B2 or marked rare. Try a short scene and check your comprehension; the vocabulary offers a relatively accessible starting point.
8.0% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
88.2% A1–A2 vocabulary; 4.0% B2, C1, and rare vocabulary; 3.2% 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
- hubb (rare): 10 occurrences in available subtitles.
Subtitle example:
One biologist, an English man, Ernest Hubbs
- queen (B1): 8 occurrences in available subtitles.
English meaning: A female monarch, or the wife of a king.
Subtitle example:
Workers, winged males and the queen.
- unit (B1): 6 occurrences in available subtitles.
Subtitle example:
"Go straight six units."
- dot (B1): 4 occurrences in available subtitles.
Subtitle example:
A circle with a dot.
- intelligence (B1): 4 occurrences in available subtitles.
Subtitle example:
If there's an intelligence there
Compare with titles in similar genres
- Pitch Black: 13.1% B2, C1, and rare vocabulary (0.1 percentage points more than Phase IV).
- Piranha II The Spawning: 12.8% B2, C1, and rare vocabulary (0.2 percentage points less than Phase IV).
- Scanners: 12.5% B2, C1, and rare vocabulary (0.5 percentage points less than Phase IV).
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: