Hi Oatmeal,
This might be a bit of a information overload, from all this I don't know which way it should be, maybe "Saints" as the Greek Interlinear has it, but I thought it was interesting.
Young's Literal Translation
Rev 15:3 and they sing the song of Moses, servant of God, and the song of the Lamb, saying, `Great and wonderful are Thy works, O Lord God, the Almighty, righteous and true are Thy ways, O King of saints,
Rotherham
Rev 15:3 and they sing the song of Moses the servant of God and the song of the Lamb, saying—Great and marvelous, are thy works, Lord, God, the Almighty! Righteous and true, are thy ways, O King of the ages!
Concordant
Rev 15:3 And they are singing the song of Moses, the slave of God, and the song of the Lambkin, saying, "Great and marvelous are Thy acts, Lord God Almighty! Just and true are Thy ways, King of the eons!"
The Message Bible
Rev. 15:3.They sang the Song of Moses, servant of God; they sang the Song of the Lamb: Mighty your acts and marvelous, O God, the Sovereign-Strong! Righteous your ways and true, King of the nations!
Complete Jewish Bible
Rev 15:3.They were singing the song of Moshe, the servant of God, and the song of the Lamb: "Great and wonderful are the things you have done, ADONAI, God of heaven's armies! Just and true are your ways, king of the nations!
Bishops
Rev 15:3 And they sang the song of Moyses the seruaunt of God, and the song of the lambe, saying: Great and marueylous are thy workes Lorde God almightie, iust and true are thy wayes thou kyng of saintes.
CODEX SINAITICUS: The New Testament translated from the Sinaitic Manuscript
Rev 15:3 And they sung the song of Moses the servant of God, and the song of the Lamb, saying: Great and wonderful are thy works, Lord God Almighty; just and true are thy ways, thou King of saints.
Greek Interlinear Bible
http://www.scripture4all.org/OnlineInterlinear/NTpdf/rev15.pdfAnd they sing the song of
Moses the servant of God, and
the song of the Lamb, saying,
Great and marvellous [are] thy
works, Lord God Almighty;
just and true [are] thy ways,
thou King of saints.
Textus Receptus
Rev 15:3 καὶ ᾄδουσιν τὴν ᾠδὴν Μωσέως δούλου τοῦ θεοῦ καὶ τὴν ᾠδὴν τοῦ ἀρνίου λέγοντες Μεγάλα καὶ θαυμαστὰ τὰ ἔργα σου κύριε ὁ θεὸς ὁ παντοκράτωρ δίκαιαι καὶ ἀληθιναὶ αἱ ὁδοί σου
ὁ βασιλεὺς τῶν ἁγίων Barnes Commentary
however, is “King of nations” -
ὁ βασιλεὺς τῶν ἐθνῶν ho basileus tōn ethnōn - instead of “King of saints” - τὼν ἁγιῶν tōn hagiōn.
King James
Rev 15:3 AndG2532 they singG103 theG3588 songG5603 of MosesG3475 theG3588 servantG1401 of God,G2316 andG2532 theG3588 songG5603 of theG3588 Lamb,G721 saying,G3004 GreatG3173 andG2532 marvellousG2298 are thyG4675 works,G2041 LordG2962 GodG2316 Almighty;G3841 justG1342 andG2532 trueG228 are thyG4675 ways,G3598 thou KingG935 of saints.G40
New American Exhaustive Concordance
G40
ἅγιος
hagios; from a prim. root; sacred, holy: - Holy (92), holy (62), Holy of Holies (1), holy one (5), holy ones (1), holy place (7), most holy (1), saint (1), saints (59), saints’ (1), sanctuary (2).
King James Concordance
G40
ἅγιος
hagios
Total KJV Occurrences: 231
holy, 168
Mat_1:18, Mat_1:20, Mat_3:11, Mat_7:5-6 (2), Mat_12:32, Mat_24:15, Mat_25:31, Mat_27:53, Mat_28:19, Mar_1:8, Mar_1:24, Mar_3:29, Mar_6:20, Mar_8:38, Mar_12:36, Mar_13:11, Luk_1:15, Luk_1:35 (2), Luk_1:41, Luk_1:49, Luk_1:67, Luk_1:70, Luk_1:72, Luk_2:23, Luk_2:25-26 (2), Luk_3:16, Luk_3:22, Luk_4:1, Luk_4:34, Luk_9:26, Luk_11:13, Luk_12:10, Luk_12:12, Joh_1:33, Joh_7:39, Joh_14:26, Joh_17:11, Joh_20:22, Act_1:2, Act_1:5, Act_1:8, Act_1:16, Act_2:4, Act_2:33, Act_2:38, Act_3:14, Act_3:21, Act_4:8, Act_4:27, Act_4:30-31 (2), Act_5:3, Act_5:32, Act_6:3, Act_6:5, Act_6:13, Act_7:33, Act_7:51, Act_7:55, Act_8:15, Act_8:17-19 (3), Act_9:17, Act_9:31, Act_10:22, Act_10:38, Act_10:44-45 (2), Act_10:47, Act_11:15-16 (2), Act_11:24, Act_13:2, Act_13:4, Act_13:9, Act_13:52, Act_15:8, Act_15:28, Act_16:6, Act_19:2 (2), Act_19:6, Act_20:23, Act_20:28, Act_21:11, Act_21:28, Act_28:25, Rom_1:2, Rom_5:5, Rom_7:12 (2), Rom_9:1, Rom_11:16 (3), Rom_12:1, Rom_14:17, Rom_15:13, Rom_16:16 (2), 1Co_2:13, 1Co_3:17, 1Co_6:19, 1Co_7:14, 1Co_7:34, 1Co_12:3, 1Co_16:20, 2Co_6:6, 2Co_13:12, 2Co_13:14, Eph_1:4, Eph_1:13, Eph_2:21, Eph_3:5, Eph_4:30, Eph_5:27, Col_1:22, Col_3:12, 1Th_1:5-6 (2), 1Th_4:8, 1Th_5:26-27 (2), 2Ti_1:9, 2Ti_1:14, Tit_3:5, Heb_2:4, Heb_3:1, Heb_3:7, Heb_6:4, Heb_9:8, Heb_10:15, 1Pe_1:12, 1Pe_1:15-16 (4), 1Pe_2:5, 1Pe_2:9, 1Pe_3:5, 2Pe_1:18, 2Pe_2:21 (3), 2Pe_3:2, 2Pe_3:11, 1Jo_2:20, 1Jo_5:7, Jud_1:20 (2), Rev_4:7-8 (4), Rev_6:10, Rev_11:2, Rev_14:10, Rev_18:20, Rev_20:6, Rev_21:2, Rev_21:10, Rev_22:19
saints, 60
Mat_27:52, Act_9:13, Act_9:32, Act_9:41, Act_26:10, Rom_1:7, Rom_8:27, Rom_12:13, Rom_15:25-26 (2), Rom_15:31, Rom_16:2, Rom_16:15, 1Co_1:2, 1Co_6:1-2 (2), 1Co_14:33, 1Co_16:1, 1Co_16:15, 2Co_1:1, 2Co_8:4, 2Co_9:1, 2Co_13:12-13 (2), Eph_1:1, Eph_1:15, Eph_2:18-19 (2), Eph_3:8, Eph_3:18, Eph_4:12, Eph_5:3, Eph_6:18, Phi_1:1, Phi_4:22, Col_1:2, Col_1:4, Col_1:12, Col_1:26, 1Th_3:13, 2Th_1:10, Phm_1:5, Phm_1:7, Heb_6:10, Heb_13:24, Jud_1:3, Jud_1:14, Rev_5:8, Rev_8:3-4 (2), Rev_11:18, Rev_13:7, Rev_13:10, Rev_14:12, Rev_15:3, Rev_17:6 (2), Rev_18:24, Rev_20:8-9 (2)
most, 1
Jud_1:20
saint, 1
Phi_4:20-21 (2)
saints’, 1
1Ti_5:10
mercy, peace and love
Kat