valerian

n [U] any of various types of small herb with strong-smelling pink or white flowers 缬草（花呈粉红色或白色, 气味浓郁）.

vaginal, vagrancy, vagrant, vague, vaguely, vagueness, vain, vainglorious, vainglory, vainly, vainness, valance, vale, valediction, valedictorian, valedictory, valence, valency, valentine, Valentine's Day, valet, valetudinarian, valian, valiant, valiantly, valid, validate, validation, validity, valise, Valium, valley, valorous, valour (US valor), valuable, valuables, valuation, value, value oneself on, valued,