heptarchies

• plural

  plural

  The grammatical form denoting more than one person, place, thing, or idea.

  of heptarchy.
  heptarchy

  noun

  the seven principal concurrent Anglo-Saxon kingdoms supposed to have existed in the 7th and 8th centuries.

More Suggestions

• heptachlor
• heptachord
• Plutarchian
• heptamerous
• heptameter
• heptane
• heptanone
• heptastich
• heptathlon