G3728
ὁρκωμοσία
oath
ὁρκωμοσία, -ας, ἡ (ὅρκος, ὄμνυμι; by metapl. for τὰ ὁρκωμόσια, asseverations on oath; see MM, xviii), [in LXX: Eze.17:18-19 (עָלָה) 1Es 9:93* ;] affirmation on oath, an oath: Heb.7:20-21, 28.† (AS)
The KJV translates G3728 in the following manner:
oath (8x)
Full Thayer's lexicon entry
ὁρκωμοσία — horkōmosía
ὁρκωμοσία, ὁρκωμοσίας, ἡ (ὁρκωματέω (ὅρκος and ὄμνυμι); cf. ἀπωμοσια, ἀντωμοσία), affirmation made on oath, the taking of an oath, an oath: Heb 7:20(21),21,28. (Eze 17:18; 1Es 8:90 (92); Josephus, Antiquities 16, 6, 2. Cf. Delitzsch, Commentary on Hebrew, the passage cited.)
3 occurrences