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

The Fly
Unique vocabulary and phrases by level
How difficult is The Fly in English?
The Fly: 55.2% A1–A2 vocabulary; 20.6% B2, C1, and rare vocabulary. Vocabulary size: 1,592.
Unique vocabulary
- For A2 learners: 34.8% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 20.6% of unique vocabulary is above B1 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B2 learners: 14.5% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
10.0% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
89.1% A1–A2 vocabulary; 4.9% B2, C1, and rare vocabulary; 2.2% 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
- commentary (C1): 74 occurrences in available subtitles.
Subtitle example:
COMMENTARY: The Fly came to me...
- scene (B1): 25 occurrences in available subtitles.
Subtitle example:
I've set a lot of scenes in abandoned warehouses and barns and so on.
- baboon (rare): 17 occurrences in available subtitles.
Subtitle example:
And had quite a presence. Baboons are quite scary.
- insect (B1): 16 occurrences in available subtitles.
Subtitle example:
In fact, very likely insect hairs.
- emotional (B1): 15 occurrences in available subtitles.
Subtitle example:
And how emotional it is.
Compare with titles in similar genres
- Victor Frankenstein: 20.9% B2, C1, and rare vocabulary (0.3 percentage points more than The Fly).
- Son of Frankenstein: 18.7% B2, C1, and rare vocabulary (1.9 percentage points less than The Fly).
- Flatliners: 17.2% B2, C1, and rare vocabulary (3.3 percentage points less than The Fly).
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: