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

Martian Child
Unique vocabulary and phrases by level
How difficult is Martian Child in English?
Martian Child: 66.4% A1–A2 vocabulary; 14.3% B2, C1, and rare vocabulary. Vocabulary size: 1,329.
Unique vocabulary
- For A2 learners: 25.2% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 14.3% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 10.4% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
8.4% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
93.6% A1–A2 vocabulary; 2.4% B2, C1, and rare vocabulary; 1.6% 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
- planet (B1): 15 occurrences in available subtitles.
Subtitle example:
But as you can see, it has pictures of the planets...
- buddy (B1): 14 occurrences in available subtitles.
English meaning: An informal word for a friend or companion.
Subtitle example:
We're going in. - So, buddy, what do you think?
- martian (B2): 10 occurrences in available subtitles.
Subtitle example:
I made a Martian wish.
- pal (B1): 10 occurrences in available subtitles.
Subtitle example:
Good. How'd that go, pal?
- system (B1): 8 occurrences in available subtitles.
Subtitle example:
and the solar systems...
Compare with titles in similar genres
- Imagine That: 14.2% B2, C1, and rare vocabulary (0.0 percentage points less than Martian Child).
- The Muppet Christmas Carol: 14.2% B2, C1, and rare vocabulary (0.0 percentage points less than Martian Child).
- Heavyweights: 14.2% B2, C1, and rare vocabulary (0.1 percentage points less than Martian Child).
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: