pentamerous /pen-tamˈə-rəs/

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

pentamˈerism noun

• unacceptableness
• unacceptance
• unacceptances
• unaccommodated
• unaccommodating
• unaccompanied
• unaccomplished
• unaccomplishment
• unaccountability
• unaccountable
• unaccountableness
• unaccountably
• unaccounted-for
• unaccredited
• unaccusable
• unaccusably
• unaccused
• unaccustomed
• unaccustomedness
• unachievable
• unaching
• unacknowledged
• una corda
• unacquaint
• unacquaintance