acid, Acre-box stalk, acre-tin, cat's whisk, chemist's product, cleaning, cloister, closeup, departing, drily, drug, dryly, Equisetopsida, Equisetum arvense, flora, heal, herb, horse's tail, loose, material, medicinal, medicine, mortar, natural, phytotherapy, plant, purifying, remedial plant, remedy, silicic, silver, tea, welfare, horsetail, equisetum arvense, dwelling, house, artillery, pteridophyte, achiever, religious residence, medical care, discipline, housing, life science, improvement, food, beverage, treatment, high-angle gun, armament, cannon, common horsetail, laconically, medicative, therapy, care, building, fern ally, photograph, science, work, person, benefit, weaponry, residence, medical science, cure