I don't think so.
Cassandra and
Alexandra end int -andra, but they are mn, and if you prounounce
Cassandra like I do (cah-SAN(rhymes with Han)-dra instead of Cass-ANN-dra) then the rhyme is less noticable. These names are fune for twins, if a bit dull, imo.
ArcadiaIt's just an object. It doesn't mean what you think