rún

Part of speech: noun
Gender: feminine
Stem: -ō-
1. secret, mystery; 2. rune, runic letter
Etymology
[Mod E ROUN obs, RUNE Prot-Germ *rūnō; Goth rūna “secret, mystery”; O Sax rūna; OHG rūna (Mod G Raun); ON, Icel rún; Sw runa]
Paradigm

1.1.2. (a)

(a) short-stemmed version: car-

nouns, -ō- stem, feminine gender
caru
(care)
singular plural
nominative caru cara, care
genitive care cara, carena
dative (instrumental) care carum
accusative care cara, care

The ending -ena in Gen pl is determined by the analogy with the weak declension

(b) long-stemmed version: heord-

nouns, -ō- stem, feminine gender
heord
(ჯოგი; ფარა)
singular plural
nominative heord heorda, heorde
genitive heorde heorda, heordena
dative (instrumental) heorde heordum
accusative heorde heorda, heorde