amount
amount
- Language
- English
- CEFR Level
- B2
- Theme
- Operational Dynamics
- Linked course
- English B2
Core words
capacity
capacity
date
date
deadline
deadline
depth
depth
duration
duration
extent
extent
fraction
fraction
frequency
frequency
genre
genre
grade
grade
interval
interval
level
level
mass
mass
measurement
measurement
pace
pace
phase
phase
portion
portion
Keep exploring
Play SmartWords games
Six word games built around our real vocabulary — free in the browser, no install.
Open the game hub →-
Word Sling
Match the center word under time pressure and keep the combo alive.
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Word Gate
Fly through the correct gate before the speed ramps up.
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Word Ninja
Slice the goal-language words, avoid the main-language decoy, and chase the announced bonus target.
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Word Zip
Trace a single path across the board, hit each letter anchor in order, and fill every open cell.
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Word Oddity
Pick the word that doesn't belong from a topic-driven set — every tap reveals all four meanings and images so the round becomes a flash-card too.
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Word Memory
Flip and match goal-language words to their main-language meaning before your lives run out.
Play now →