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: A Spacetime Odyssey
Is Cosmos: A Spacetime Odyssey 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: A Spacetime Odyssey in English?
Cosmos: A Spacetime Odyssey: 33.9% A1–A2 vocabulary; 35.6% B2, C1, and rare vocabulary. Vocabulary size: 5,021.
Unique vocabulary
- For A2 learners: 49.8% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 35.6% of unique vocabulary is above B1 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B2 learners: 28.0% of unique vocabulary is above B2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
16.3% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
83.4% A1–A2 vocabulary; 7.6% 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.
Subtitle coverage: 13 of 13 episodes; the profile describes only available subtitles.
Recurring words and phrases to preview
- planet (B1): 142 occurrences in available subtitles.
Subtitle example:
explore the planets of stars that never die,
- universe (C1): 116 occurrences in available subtitles.
Subtitle example:
Universe upon universe.
- energy (B1): 95 occurrences in available subtitles.
Subtitle example:
and giving birth to all the energy
- atom (B2): 90 occurrences in available subtitles.
Subtitle example:
discover atoms as massive as suns
- solar (B1): 69 occurrences in available subtitles.
Subtitle example:
The Sun holds all the worlds of the solar system
Compare with titles in similar genres
- Planet Earth: 35.4% B2, C1, and rare vocabulary (0.2 percentage points less than Cosmos: A Spacetime Odyssey).
- Our Planet: 33.8% B2, C1, and rare vocabulary (1.9 percentage points less than Cosmos: A Spacetime Odyssey).
- The Blue Planet: 32.6% B2, C1, and rare vocabulary (3.0 percentage points less than Cosmos: A Spacetime Odyssey).
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: