Britannia rhymes with:
brittania, brittania, brittania, brittania, brittania, eridania, nathania, oceania, stephania, theophania
Britannia sounds like:
barden, bardin, bardon, baritone, barradino, barten, bartman, barton, bartone, bearden, beaverton, berardino, berdan, berdine, berthiaume, bertin, bertini, bertino, berton, bertone, bertoni, birden, birdman, boardman, borden, bordman, boredom, borten, borton, boyertown, braaten, bradeen, braden, bradham, bradney, braton, brattain, bratten, brattin, bratton, brayton, breden, breeden, breitman, brethen, breton, bretton, brewton, briden, britain, britian, briton, brittain, brittan, brittania, brittany, britten, brittenham, brittian, brittin, britton, broaden, broden, brodin, brodman, broten, brotman, bruton, bryden, brydon, burden, burdin, burdine, burdon, burton