forystuborg
nafnorð kvenkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.forystuborgforystuborginnf.forystuborgirforystuborgirnar
þf.forystuborgforystuborginaþf.forystuborgirforystuborgirnar
þgf.forystuborgforystuborginniþgf.forystuborgumforystuborgunum
ef.forystuborgarforystuborgarinnaref.forystuborgaforystuborganna