spiffy/ʹspifi/ adj (spiffier, spiffiest)

• architectural
• architecture
• architrave
• archive
• archivist
• archivolt
• archlute
• archon
• archosaur
• archpriest
• archway
• -archy
• arc lamp
• Arctic
• Arctic Circle
• arctic fox
• arctic hare
• arctophile
• arcuate
• arcus senilis
• arc welding
• -ard
• ardent
• ardour
• arduous