Baptism, word and significance

The significance of baptism - 

Baptism is the sign of the righteousness which is by faith.

Acts 2:38: Baptism announces or exhibits the remission of sins.
Act 22:16: Baptism announces or exhibits washing away of sin.
Romans 6:3-4, Colossians 2:12: Baptism announces or exhibits renewal in Christ (we die to sin with Christ and rise with Him to walk in newness of life).
Galatians 3 :28: Baptism announces or exhibits putting on Christ (being new or renewed in Him).
1 Peter 3:21 Baptism announces or exhibits the answer of a good conscience toward God.

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A few dips in the Old Testament (Greek Septuagint)

1. King James translation of the Bible
2. English translation of the Septuagint by L. C. L. Brenton
3. Greek Septuagint text used by the Church of Greece/Greek Orthodox

Exodus 12:22 And ye shall take a bunch of hyssop, and dip it in the blood that is in the bason, and strike the lintel and the two side posts with the blood that is in the bason; and none of you shall go out at the door of his house until the morning.
Exodus 12:22 And ye shall take a bunch of hyssop, and having dipped it into some of the blood that is by the door, ye shall touch the lintel, and [shall put it] upon both door-posts, even of the blood which is by the door; but ye shall not go out every one from the door of his house till the morning.
Exodus 12:22 λήψεσθε δὲ δέσμην ὑσσώπου, καὶ βάψαντες (from βάπτω, translated dip) ἀπὸ τοῦ αἵματος τοῦ παρὰ τὴν θύραν καθίξετε τῆς φλιᾶς καὶ ἐπ᾿ ἀμφοτέρων τῶν σταθμῶν ἀπὸ τοῦ αἵματος, ὅ ἐστι παρὰ τὴν θύραν· ὑμεῖς δὲ οὐκ ἐξελεύσεσθε ἕκαστος τὴν θύραν τοῦ οἴκου αὐτοῦ ἕως πρωΐ.

2 Kings 5:14 Then went he down, and dipped himself seven times in Jordan, according to the saying of the man of God: and his flesh came again like unto the flesh of a little child, and he was clean.
2 Kings 5:14 So Naiman went down, and dipped himself seven times in Jordan, according to the word of Elisaie: and his flesh returned to him as the flesh of a little child, and he was cleansed.
2 Kings 5:14 καὶ κατέβη Ναιμὰν καὶ ἐβαπτίσατο (from βαπτίζω, translated dip) ἐν τῷ ᾿Ιορδάνῃ ἑπτάκις κατὰ τὸ ρῆμα ῾Ελισαιέ, καὶ ἐπέστρεψεν ἡ σάρξ αὐτοῦ ὡς σάρξ παιδαρίου μικροῦ, καὶ ἐκαθαρίσθη.

2 Kings 8:15 And it came to pass on the morrow, that he took a thick cloth, and dipped it in water, and spread it on his face, so that he died: and Hazael reigned in his stead.
2 Kings 8:15 And it came to pass on the next day that he took a thick cloth, and dipped it in water, and put it on his face, and he died: and Azael reigned in his stead.
2 Kings 8:15 καὶ ἐγένετο τῇ ἐπαύριον, καὶ ἔλαβε τὸ μαχμὰ καὶ ἔβαψεν (from βάπτω, translated dip) ἐν τῷ ὕδατι καὶ περιέβαλεν ἐπὶ τὸ πρόσωπον αὐτοῦ καὶ ἀπέθανε, καὶ ἐβασίλευσεν ᾿Αζαὴλ ἀντ᾿ αὐτοῦ.

Daniel 4:33 The same hour was the thing fulfilled upon Nebuchadnezzar: and he was driven from men, and did eat grass as oxen, and his body was wet with the dew of heaven, till his hairs were grown like eagles’ feathers, and his nails like birds’ claws. 
Daniel 4:30 In the same hour the word was fulfilled upon Nabuchodonosor: and he was driven forth from men, and he ate grass as an ox, and his body was bathed with the dew of heaven, until his hairs were grown like lions’ [hairs], and his nails as birds’ [claws]. 
Daniel 4:30 αὐτῇ τῇ ὥρᾳ ὁ λόγος συνετελέσθη ἐπὶ Ναβουχοδονόσορ, καὶ ἀπὸ τῶν ἀνθρώπων ἐξεδιώχθη καὶ χόρτον ὡς βοῦς ἤσθιε, καὶ ἀπὸ τῆς δρόσου τοῦ οὐρανοῦ τὸ σῶμα αὐτοῦ ἐβάφη (from βάπτω, translated bathed), ἕως οὗ αἱ τρίχες αὐτοῦ ὡς λεόντων ἐμεγαλύνθησαν καὶ οἱ ὄνυχες αὐτοῦ ὡς ὀρνέων.