There is theine in tea, and caffeine in coffee.
Source: tatoeba (11163024)
Theine
//ˈθiː.iːn//
Synonyms for "theine"
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Translations
14 translations across 14 languages.
Czech
1 entries- tein noun (Caffeine in tea)
Finnish
1 entries- teiini noun (Caffeine in tea)
French
1 entries- théine noun (Caffeine in tea)
German
1 entries- Tein noun (Caffeine in tea)
Greek
1 entries- τεΐνη noun (Caffeine in tea)
Hungarian
1 entries- tein noun (Caffeine in tea)
Italian
1 entries- teina noun (Caffeine in tea)
Polish
1 entries- teina noun (Caffeine in tea)
Portuguese
1 entries- teína noun (Caffeine in tea)
Romanian
1 entries- teină noun (Caffeine in tea)
Russian
1 entries- теи́н noun (Caffeine in tea)
Spanish
1 entries- teína noun (Caffeine in tea)
Swedish
1 entries- tein noun (Caffeine in tea)
Turkish
1 entries- tein noun (Caffeine in tea)
Sample sentences
3 total sentences available.
Tea contains theine and coffee contains caffeine.
Source: tatoeba (13268769)
Caffeine is called guaranine when found in guarana, mateine when found in mate and theine when found in tea. There is far more caffeine in coffees than in teas.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.