superfine /sooˈ or sūˈpər-fīn or -fīnˈ/

1. Of specially fine size or quality (short form super)
2. Excessively fastidious or proper

• astucious
• astuciously
• astucities
• astucity
• astun
• astute
• astutely
• astuteness
• astutenesses
• astuter
• astutest
• astylar
• asudden
• asunder
• as usual
• ASW
• aswarm
• as was
• asway
• a sweet tooth
• as well
• as well as
• as who should say
• as why
• aswim