Term: caffeine: a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: patwin: a member of the North American Indian people living in the Sacramento valley in California
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: masonry: structure built of stone or brick by a mason
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: loofa: the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: capability: an aptitude that may be developed
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: black sheep: sheep with a black coat
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: metalhead: a fan of heavy metal music
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: counterterrorist: someone who attempts to prevent terrorism
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: womanhood: the state of being an adult woman
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: baffled: people who are frustrated and perplexed
Broader: alkaloid: natural bases containing nitrogen found in plants | Unrelated: strip alert: a state of readiness for domestic defense aircraft