• categorise
• categorize
• league
• education
• teaching
• dicotyledonae
• class equisetatae
• pinopsida
• teleostei
• subdivision pinophytina

class act  class arachnida  class anthoceropsida  class anthozoa  class aphasmidia  class action  class angiospermae  class acrasiomycetes  class actinozoa  class amphibia