skillful arbiter skillful judge arbitrate disputes judge disputes undergo arbitration city arboretum peaceful place with trees video arcade the museum’s arcades series of arches arcane statistics arcane symbols arcane rituals secret requiring special knowledge Egyptian archaeology archaeological dig archaeological artifacts archaeologist archaic knowledge ancient knowledge archaic language perfect archetype universal model archetype of democracy archetypal ideas Greek archipelago string of islands library archives special holdings archive the documents archival holdings

physical ardor strong feelings romantic ardor fanatical ardor arduous labor arduous climb difficult, strenuous argot jargon, specialized language military argot medical argot football argot operatic aria solo romantic aria soprano aria arid desert dry desert arid climate royal aristocracy special breeding aristocratic bearing Spanish armada Spanish fleet tank armada armada of bombers aromatic candles scented candles a nice aroma