carbon
carbon
- Language
- English
- CEFR Level
- B2
- Theme
- Dimensions and Structures
- Linked course
- English B2
Core words
cell
cell
fragment
fragment
gene
gene
kit
kit
organ
organ
package
package
packet
packet
patch
patch
pill
pill
protein
protein
punk
punk
tag
tag
tissue
tissue
tone
tone
Keep exploring
Play SmartWords games
Six word games built around our real vocabulary — free in the browser, no install.
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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.
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