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

Species II
Unique vocabulary and phrases by level
How difficult is Species II in English?
Species II: 60.0% A1–A2 vocabulary; 17.4% B2, C1, and rare vocabulary. Vocabulary size: 1,215.
Unique vocabulary
- For A2 learners: 28.7% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 17.4% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 11.3% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
11.3% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
86.7% A1–A2 vocabulary; 5.9% B2, C1, and rare vocabulary; 3.8% 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
- alien (B2): 19 occurrences in available subtitles.
Subtitle example:
against the alien species should they ever return to Earth.
- excursion (rare): 18 occurrences in available subtitles.
Subtitle example:
Excursion crew is okay.
- hell (C1): 14 occurrences in available subtitles.
English meaning: A place of suffering in some religious beliefs; also used informally to express anger or surprise.
Subtitle example:
What the hell is going on? - My God!
- dna (B1): 11 occurrences in available subtitles.
Subtitle example:
in Dr. Orinsky's wounds is combinant alien-human DNA.
- lab (B2): 10 occurrences in available subtitles.
Subtitle example:
from a frozen lab embryo.
Compare with titles in similar genres
- Blade: 17.0% B2, C1, and rare vocabulary (0.4 percentage points less than Species II).
- Resident Evil Apocalypse: 17.8% B2, C1, and rare vocabulary (0.4 percentage points more than Species II).
- Resident Evil Retribution: 16.8% B2, C1, and rare vocabulary (0.6 percentage points less than Species II).
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: