obturate /obˈtū-rāt/

To stop up

obturāˈtion noun

1. Stopping up
2. Stopping of a hole to prevent the escape of gas (gunnery)

• choiceness
• choicenesses
• choicer
• choices
• choicest
• choir
• choirboy
• choirboys
• choired
• choirgirl
• choirgirls
• choiring
• choir loft
• choir lofts
• choirman
• choirmaster
• choirmasters
• choirmen
• choir organ
• choir organs
• choirs
• choir school
• choir schools
• choirscreen
• choirscreens