syndasekkur
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.syndasekkursyndasekkurinnnf.syndasekkirsyndasekkirnir
þf.syndasekksyndasekkinnþf.syndasekkisyndasekkina
þgf.syndasekksyndasekknumþgf.syndasekkjumsyndasekkjunum
ef.syndasekkjarsyndasekkjarinsef.syndasekkjasyndasekkjanna