Explore Movie Vocabulary
Learn English with movies. Discover how much of a movie’s vocabulary you already know and review unfamiliar words before watching.
2001 A Space Odyssey
Unique vocabulary and phrases by level
How difficult is 2001 A Space Odyssey in English?
2001 A Space Odyssey: 66.6% A1–A2 vocabulary; 13.7% B2, C1, and rare vocabulary. Vocabulary size: 987.
Unique vocabulary
- For A2 learners: 26.1% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 13.7% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 8.1% 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.
7.3% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
88.5% A1–A2 vocabulary; 4.8% B2, C1, and rare vocabulary; 2.5% 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
- mission (B2): 13 occurrences in available subtitles.
Subtitle example:
We spoke with mission commander, Dr. David Bowman...
- michaels (rare): 12 occurrences in available subtitles.
Subtitle example:
MICHAELS: Anybody hungry?
- crew (B2): 9 occurrences in available subtitles.
Subtitle example:
Yes, of course. Did the crew get back all right?
- error (B1): 7 occurrences in available subtitles.
Subtitle example:
...foolproof and incapable of error.
- hibernation (rare): 7 occurrences in available subtitles.
Subtitle example:
...or to be more precise, in a state of hibernation.
Compare with titles in similar genres
- Superman IV The Quest for Peace: 13.7% B2, C1, and rare vocabulary (0.0 percentage points more than 2001 A Space Odyssey).
- The Time Machine: 13.7% B2, C1, and rare vocabulary (0.0 percentage points more than 2001 A Space Odyssey).
- Back to the Future Part II: 13.7% B2, C1, and rare vocabulary (0.0 percentage points more than 2001 A Space 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: