hreinsihnappur
nafnorð karlkyn tölvumál
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.hreinsihnappurhreinsihnappurinnnf.hreinsihnapparhreinsihnapparnir
þf.hreinsihnapphreinsihnappinnþf.hreinsihnappahreinsihnappana
þgf.hreinsihnapp / hreinsihnappihreinsihnappnum / hreinsihnappinumþgf.hreinsihnöppumhreinsihnöppunum
ef.hreinsihnappshreinsihnappsinsef.hreinsihnappahreinsihnappanna