Beyging
eignarfall eintölu ‑efnis nefnifall fleirtölu ‑efni beygist eins og efni
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.sprengiefni sprengiefnið nf.sprengiefni sprengiefnin
þf.sprengiefni sprengiefnið þf.sprengiefni sprengiefnin
þgf.sprengiefni sprengiefninu þgf.sprengiefnum sprengiefnunum
ef.sprengiefnis sprengiefnisins ef.sprengiefna sprengiefnanna