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

Demon Seed
Unique vocabulary and phrases by level
How difficult is Demon Seed in English?
Demon Seed: 61.7% A1–A2 vocabulary; 18.3% B2, C1, and rare vocabulary. Vocabulary size: 939.
Unique vocabulary
- For A2 learners: 30.8% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 18.3% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 11.9% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
7.5% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
89.7% A1–A2 vocabulary; 4.7% 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
- feeling (B1): 7 occurrences in available subtitles.
Subtitle example:
I do know there are strong feelings inside there.
- icon (C1): 6 occurrences in available subtitles.
Subtitle example:
You and your pompous ICON buddies inside that mountainside.
- system (B1): 6 occurrences in available subtitles.
Subtitle example:
All electrical and mechanical systems here are now under my control.
- access (B1): 5 occurrences in available subtitles.
Subtitle example:
...and get our answers on these access terminals.
- birth (B1): 5 occurrences in available subtitles.
Subtitle example:
You will give birth to it.
Compare with titles in similar genres
- The Thing from Another World: 18.2% B2, C1, and rare vocabulary (0.0 percentage points less than Demon Seed).
- Repo The Genetic Opera: 18.3% B2, C1, and rare vocabulary (0.0 percentage points more than Demon Seed).
- Alien Covenant: 18.4% B2, C1, and rare vocabulary (0.1 percentage points more than Demon Seed).
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: