Explore Movie Vocabulary
Learn English with movies. Discover how much of a movie’s vocabulary you already know and review unfamiliar words before watching.
The Core
Unique vocabulary and phrases by level
How difficult is The Core in English?
The Core: 54.0% A1–A2 vocabulary; 21.1% B2, C1, and rare vocabulary. Vocabulary size: 1,802.
Unique vocabulary
- For A2 learners: 34.0% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 21.1% of unique vocabulary is above B1 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B2 learners: 13.7% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
12.0% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
86.5% A1–A2 vocabulary; 6.4% B2, C1, and rare vocabulary; 3.6% 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
- core (C1): 38 occurrences in available subtitles.
Subtitle example:
that has core fluid at 9,000 degrees. - [Braz] Yes.
- planet (B1): 17 occurrences in available subtitles.
Subtitle example:
the fundamental architecture of our planet.
- rat (B2): 14 occurrences in available subtitles.
Subtitle example:
[Rat] It's called Virus-bot. It's a computer virus that will seek out files
- commander (C1): 13 occurrences in available subtitles.
English meaning: A person who is in charge, especially in a military organization.
Subtitle example:
You're trained, and you're certified. Doesn't make you the commander.
- hell (C1): 13 occurrences in available subtitles.
English meaning: A place of suffering in some religious beliefs; also used informally to express anger or surprise.
Subtitle example:
That's a hell of a greeting. - Serge.
Compare with titles in similar genres
- War of the Worlds: 21.1% B2, C1, and rare vocabulary (0.1 percentage points more than The Core).
- Man of Steel: 21.2% B2, C1, and rare vocabulary (0.1 percentage points more than The Core).
- Iron Man 3: 21.2% B2, C1, and rare vocabulary (0.2 percentage points more than The Core).
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: