knapsack /napˈsak/

1. A bag made of strong material, with straps for carrying on the back, eg when hiking
2. A rucksack

• ascitic
• ascitical
• ascititious
• asclepiad
• Asclepiadaceae
• asclepiadaceous
• Asclepiadean
• Asclepiadic
• asclepiads
• asclepias
• asclepiases
• Asclepios
• Asclepius
• ascomycete
• ascomycetes
• Ascomycetes
• ascomycetous
• a sconce
• asconce
• as concerning
• as concerns
• ascorbate
• ascorbates
• ascorbic
• ascorbic acid