ветрwind+янforming words meaning “related to or characterized by the base”+кnoun-forming suffix (often indicating an action or diminutive)+аsingular feminine nominative
noun · feminine singular · nominativeRare#47,812
chickenpox
RU: Ветрянка обычно вызывает зудящую сыпь и небольшую температуру.
EN: Chickenpox usually causes an itchy rash and a slight fever.