Explore Movie Vocabulary
Learn English with movies. Discover how much of a movie’s vocabulary you already know and review unfamiliar words before watching.
Cosmos
Is Cosmos difficult to watch in English? Explore its vocabulary difficulty, estimated English level, and unfamiliar words before watching.
Unique vocabulary and phrases by level
How difficult is Cosmos in English?
Cosmos: 29.3% A1–A2 vocabulary; 39.6% B2, C1, and rare vocabulary. Vocabulary size: 6,201.
Unique vocabulary
- For A2 learners: 52.8% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 39.6% of unique vocabulary is above B1 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B2 learners: 31.8% of unique vocabulary is above B2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
17.8% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
81.3% A1–A2 vocabulary; 8.5% B2, C1, and rare vocabulary; 4.1% Unclassified.
This counts repeated eligible words. Phrases are excluded from this calculation to avoid counting their component words twice.
Subtitle coverage: 13 of 13 episodes; the profile describes only available subtitles.
Recurring words and phrases to preview
- planet (B1): 349 occurrences in available subtitles.
Subtitle example:
We'll encounter galaxies and suns and planets...
- universe (C1): 140 occurrences in available subtitles.
Subtitle example:
...to another, and quite different, universe.
- system (B1): 127 occurrences in available subtitles.
Subtitle example:
These stars may have planetary systems.
- civilization (C1): 94 occurrences in available subtitles.
Subtitle example:
I wonder how many planets and how many civilizations...
- solar (B1): 84 occurrences in available subtitles.
Subtitle example:
Even in the outskirts of our own solar system...
Compare with titles in similar genres
- The Civil War: 39.4% B2, C1, and rare vocabulary (0.2 percentage points less than Cosmos).
- The World at War: 39.9% B2, C1, and rare vocabulary (0.3 percentage points more than Cosmos).
- Cosmos: A Spacetime Odyssey: 35.6% B2, C1, and rare vocabulary (4.0 percentage points less than Cosmos).
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: