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 Enemy Below
Unique vocabulary and phrases by level
How difficult is The Enemy Below in English?
The Enemy Below: 64.5% A1–A2 vocabulary; 17.5% B2, C1, and rare vocabulary. Vocabulary size: 1,153.
Unique vocabulary
- For A2 learners: 27.4% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 17.5% 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.
8.1% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
87.8% A1–A2 vocabulary; 5.8% B2, C1, and rare vocabulary; 3.2% 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
- target (C1): 27 occurrences in available subtitles.
Subtitle example:
Then head for the target. - Aye aye, sir.
- torpedo (rare): 24 occurrences in available subtitles.
Subtitle example:
A man who gets his ship torpedoed and spends 25 days on a raft in the North Atlantic
- starboard (rare): 21 occurrences in available subtitles.
Subtitle example:
He is crossing our stern to starboard, Herr Kapitän.
- depth (B2): 19 occurrences in available subtitles.
Subtitle example:
Mr Crain, what's your best time on reloading depth charges?
- war (B1): 15 occurrences in available subtitles.
English meaning: Armed fighting between countries or groups.
Subtitle example:
I am sick of this war.
Compare with titles in similar genres
- 300 Rise of an Empire: 17.3% B2, C1, and rare vocabulary (0.2 percentage points less than The Enemy Below).
- AmeriGeddon: 17.8% B2, C1, and rare vocabulary (0.3 percentage points more than The Enemy Below).
- Gladiator: 17.2% B2, C1, and rare vocabulary (0.4 percentage points less than The Enemy Below).
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: