12-Letter Words Starting V & Ending NS

• taking a vaccine as a precaution against contracting a disease

• the scar left following inoculation with a vaccine

• a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)

• the act of saying farewell

• the act of vindicating or defending against criticism or censure etc.

• the justification for some act or belief

• indecision in speech or action

• changing location by moving back and forth

• the state of having become filled with vacuoles

• surgical incision into a vein; used to treat hemochromatosis

• hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules

• variability in coloration

• the act of introducing variety (especially in investments or in the variety of goods and services offered)

• the act of supplying fresh air and getting rid of foul air

• a mechanical system in a building that provides fresh air

• free and open discussion of (or debate on) some question of public interest

• the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation