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

Firewall
Unique vocabulary and phrases by level
How difficult is Firewall in English?
Firewall: 71.3% A1–A2 vocabulary; 9.9% B2, C1, and rare vocabulary. Vocabulary size: 1,023.
Unique vocabulary
- For A2 learners: 21.7% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 9.9% of unique vocabulary is above B1 or marked rare. Try a short scene and check your comprehension; the vocabulary offers a relatively accessible starting point.
- For B2 learners: 5.5% 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.
7.0% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
93.6% A1–A2 vocabulary; 1.8% B2, C1, and rare vocabulary; 2.0% 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
- get in (B2): 8 occurrences in available subtitles.
English meaning: To enter a place or vehicle; in some contexts, to arrive.
Subtitle example:
I'll tell Carol when she gets in. We'll get after it.
- network (B1): 7 occurrences in available subtitles.
Subtitle example:
As head of network security, Jack...
- security (B2): 7 occurrences in available subtitles.
Subtitle example:
Loss is higher than one would expect, considering your level of security.
- debt (B1): 6 occurrences in available subtitles.
Subtitle example:
Even the gambling debts.
- system (B1): 6 occurrences in available subtitles.
Subtitle example:
I'm fitting you with two separate systems.
Compare with titles in similar genres
- Romeo Must Die: 9.9% B2, C1, and rare vocabulary (0.0 percentage points more than Firewall).
- Shaft: 9.9% B2, C1, and rare vocabulary (0.0 percentage points less than Firewall).
- One False Move: 9.9% B2, C1, and rare vocabulary (0.0 percentage points more than Firewall).
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: