aspen /asˈpən, also äˈspən or -spin/ (or Spenser aspine)

The trembling poplar

1. Made of, or like, the aspen
2. Tremulous
3. Timorous

asˈpen-like adjective

• co-operative society
• co-operative store
• co-operative stores
• co-operator
• co-operators
• coopered
• cooperies
• coopering
• cooperings
• Cooper pairs
• coopers
• Cooper's hawk
• coopery
• cooping
• co-ops
• coops
• co-opt
• coopt
• co-optation
• co-optative
• co-opted
• coopted
• co-opting
• coopting
• co-option