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

What Planet Are You From
Unique vocabulary and phrases by level
How difficult is What Planet Are You From in English?
What Planet Are You From: 64.5% A1–A2 vocabulary; 14.5% B2, C1, and rare vocabulary. Vocabulary size: 1,371.
Unique vocabulary
- For A2 learners: 26.0% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 14.5% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 9.3% 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.
9.5% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
92.9% A1–A2 vocabulary; 2.9% 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
- planet (B1): 17 occurrences in available subtitles.
Subtitle example:
... lies a planet of men who have advanced technologically...
- alien (B2): 12 occurrences in available subtitles.
Subtitle example:
As with all alien cultures, there will be subtleties...
- sex (B2): 12 occurrences in available subtitles.
English meaning: Sexual activity, or a biological classification, depending on context.
Subtitle example:
I've gotta have sex right away.
- pregnant (C1): 8 occurrences in available subtitles.
Subtitle example:
Remember, get a woman pregnant. - Give me two days.
- feeling (B1): 7 occurrences in available subtitles.
Subtitle example:
You know, I have a feeling that you're not what you appear to be.
Compare with titles in similar genres
- The Stuff: 14.6% B2, C1, and rare vocabulary (0.1 percentage points more than What Planet Are You From).
- Slither: 14.6% B2, C1, and rare vocabulary (0.1 percentage points more than What Planet Are You From).
- Back to the Future Part III: 14.6% B2, C1, and rare vocabulary (0.1 percentage points more than What Planet Are You From).
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: