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

How to Train Your Dragon The Hidden World
Unique vocabulary and phrases by level
How difficult is How to Train Your Dragon The Hidden World in English?
How to Train Your Dragon The Hidden World: 66.5% A1–A2 vocabulary; 15.9% B2, C1, and rare vocabulary. Vocabulary size: 1,285.
Unique vocabulary
- For A2 learners: 25.7% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 15.9% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 11.8% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
7.8% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
85.1% A1–A2 vocabulary; 8.7% 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
- dragon (B1): 95 occurrences in available subtitles.
Subtitle example:
Just a guy here to rescue these dragons, so, uh...
- toothless (C1): 73 occurrences in available subtitles.
Subtitle example:
Toothless, time to go! - (TOOTHLESS GRUNTS)
- hiccup (B1): 55 occurrences in available subtitles.
Subtitle example:
HICCUP: Okay, we screwed that up,
- bud (C1): 20 occurrences in available subtitles.
Subtitle example:
So what do you think, bud?
- growling (rare): 14 occurrences in available subtitles.
Subtitle example:
(BOTH GROWLING)
Compare with titles in similar genres
- Brave: 16.1% B2, C1, and rare vocabulary (0.1 percentage points more than How to Train Your Dragon The Hidden World).
- Monsters vs. Aliens: 15.8% B2, C1, and rare vocabulary (0.1 percentage points less than How to Train Your Dragon The Hidden World).
- Titan A.E: 15.4% B2, C1, and rare vocabulary (0.5 percentage points less than How to Train Your Dragon The Hidden World).
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: