On Mon, Feb 2, 2009 at 11:06 AM, Kerim Aydin <ke...@u.washington.edu> wrote: >> What's wrong with it? Although the standard Latin term for "swan >> song" is, according to words, 'vox cycneus', there's no grammatical >> reason why 'cantus' couldn't substitute. However, the plural would be >> 'cantus cygnei'. > > Wouldn't it be Canti Cygneus? (e.g. My swan song + your swan song = > our swan songs not our swans song). -Goethe
Both words are plural, but the fourth declension nominative plural ending is 'us'.
