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

3 Ninjas Kick Back
Unique vocabulary and phrases by level
How difficult is 3 Ninjas Kick Back in English?
3 Ninjas Kick Back: 72.8% A1–A2 vocabulary; 9.8% B2, C1, and rare vocabulary. Vocabulary size: 893.
Unique vocabulary
- For A2 learners: 18.9% of unique vocabulary is above A2 or marked rare. Preview recurring words and use English subtitles.
- For B1 learners: 9.8% 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: 6.9% 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.
8.3% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
92.1% A1–A2 vocabulary; 2.2% B2, C1, and rare vocabulary; 3.5% 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
- strike (B1): 6 occurrences in available subtitles.
Subtitle example:
Strike!
- ninjas (rare): 5 occurrences in available subtitles.
Subtitle example:
And remember, all ninjas...
- vote (B1): 5 occurrences in available subtitles.
Subtitle example:
We voted...
- get in (B2): 4 occurrences in available subtitles.
English meaning: To enter a place or vehicle; in some contexts, to arrive.
Subtitle example:
Why'd you get in my way, Colt? I had him.
- spaz (rare): 4 occurrences in available subtitles.
Subtitle example:
I'm such a spaz.
Compare with titles in similar genres
- 3 Ninjas: 10.6% B2, C1, and rare vocabulary (0.8 percentage points more than 3 Ninjas Kick Back).
- The Spy Next Door: 11.8% B2, C1, and rare vocabulary (1.9 percentage points more than 3 Ninjas Kick Back).
- Sky High: 16.5% B2, C1, and rare vocabulary (6.6 percentage points more than 3 Ninjas Kick Back).
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: