testrill or testril /tesˈtril/ (obsolete)

A sixpence

• observances
• observancies
• observancy
• observant
• Observant
• Observantine
• observantly
• observants
• observation
• observational
• observationally
• observation car
• observation cars
• observation post
• observation posts
• observations
• observative
• observator
• observatories
• observators
• observatory
• observe
• observed
• observer
• observers