and not the would-be expected form *-nan. past participle aukinn ausinn <span class="searchmatch">bitinn</span> blandinn blásinn blótinn borginn borinn brotinn brugðinn bundinn búinn drukkinn...
singular plural indefinite definite indefinite definite nominative biti <span class="searchmatch">bitinn</span> bitar bitarnir accusative bita bitann bita bitana dative bita bitanum bitum...
neuter (hvorugkyn) nominative (nefnifall) <span class="searchmatch">bitinn</span> bitin bitið bitnir bitnar bitin accusative (þolfall) <span class="searchmatch">bitinn</span> bitna bitið bitna bitnar bitin dative (þágufall)...
nominative bítur bíturinn bítir, bítar bítirnir, bítarnir accusative bít <span class="searchmatch">bítinn</span> bíti, bíta bítina, bítana dative bít bítnum bítum bítunum genitive bíts...