endahnappur
nafnorð karlkyn tölvumál
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.endahnappurendahnappurinnnf.endahnapparendahnapparnir
þf.endahnappendahnappinnþf.endahnappaendahnappana
þgf.endahnapp / endahnappiendahnappnum / endahnappinumþgf.endahnöppumendahnöppunum
ef.endahnappsendahnappsinsef.endahnappaendahnappanna