quatercentenary/ˌkwatəsenʹteenəri, -ʹtenəri/ noun (pl -ies) (pl quatercentenaries)

• arterialize
• arteriography
• arteriole
• arteriosclerosis
• artery
• artesian well
• Artex
• art form
• artful
• art history
• art house
• arthr-
• arthralgia
• arthritic
• arthritis
• arthro-
• arthrodesis
• arthropod
• arthroscope
• Arthurian
• artic
• artichoke
• article
• articled clerk
• article of faith