G3590
ὄγδοος
eighth
ὄγδοος, -η, -ον the eighth. Luk.1:59, Act.7:3" (LXX), Rev.17:11 21:20; one of eight, with seven others (usually, in this sense, with αὐτός added, but cf. Plat., Legg., iii, 695 with; Plut., Pelop., 13; 2Ma.5:27): 2Pe.2:5.† (AS)
The KJV translates G3590 in the following manner:
eighth (10x)
Full Thayer's lexicon entry
ὄγδοος — ógdoos
ὄγδοος, ὀγδη, ὀγδον (from Homer down), the eighth: Luk 1:59; Act 7:8; Rev 17:11; Rev 21:20; our who has seven other companions, who with others is the eighth, 2Pe 2:5; so δέκατος, with nine others, 2Ma 5:27; cf. Matthiae, § 469, 9; Viger. edition, Herm., p. 72f and 720f; Winers Grammar, § 37, 2; (Buttmann, 30 (26)).
5 occurrences
Luke (1), Acts (1), II Peter (1), Revelation of John (2)