sefsöngvari
nafnorð karlkyn dýrategund
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.sefsöngvarisefsöngvarinnnf.sefsöngvararsefsöngvararnir
þf.sefsöngvarasefsöngvarannþf.sefsöngvarasefsöngvarana
þgf.sefsöngvarasefsöngvaranumþgf.sefsöngvurumsefsöngvurunum
ef.sefsöngvarasefsöngvaransef.sefsöngvarasefsöngvaranna