Synonyms for the word "common hop" include "European hop," the "vine of the north," and "Humulus lupulus." This perennial herbaceous plant is well-known for manufacturing beer, acting as a preservative, and providing medicinal qualities. The plant has serrated leaves and cone-shaped flowers that are primarily used in the brewing industry due to their bitterness content. Other common hops substitutes include elderflowers, chamomile, rose hips, and sweet gale. Common hops are used as a bittering agent, providing a tart taste to beer and reducing the sweetness of the malted grain. These synonyms showcase the versatility of this plant in different contexts, whether it be medicinal or in making beer.