The word "archangel" refers to a powerful and high-ranking angel in many religious traditions. They are often seen as messengers or protectors from God and have a significant role in guiding humans and fighting evil. Full definition
At Arbanassi village, visit the Nativity Church and church psalms at the church of Archangels Michael and Gabriel. (vjv.com)
An amnesiac soldier, seeking his lost love, arrives in Archangel in northern Russia to help the townsfolk in their fight against the Bolsheviks, all quite unaware that the Great War ended three months ago. (metacritic.com)
You could also check with online companies who create book covers, such as Archangel Ink, Happy Self - Publishing, or 99 Designs. (feedspot.com)