coeternal /kō-i-tûrˈnəl or kō-ē-/

1. Equally eternal
2. Jointly eternal

coeterˈnally adverb

• featherinesses
• feathering
• featherings
• featherlike
• feather one's nest
• feather palm
• feather palms
• feather-pate
• feathers
• feather star
• feather stitch
• featherweight
• featherweights
• feathery
• feating
• featly
• featous
• feats
• featuous
• feature
• -featured
• featured
• feature film
• feature films
• feature-length