pentamerous /pen-tamˈə-rəs/

1. Having five parts or members
2. Having parts in fives

pentamˈerism noun

• backbeat
• backbeats
• back-bench
• backbencher
• backbenchers
• back benches
• backbit
• backbite
• backbiter
• backbiters
• backbites
• backbiting
• backbitings
• backbitten
• back-block
• back-blocker
• bulk carrier
• bulk carriers
• bulk discount
• bulk discounts
• bulked
• bulker
• bulkers
• bulkhead
• bulkheads