Matthew 12:32αἰῶνι
Whoever speaks a word against the Son of Man will be forgiven, but whoever speaks against the Holy Spirit will not be forgiven, either in this age or in the one to come.
Luke 1:33αἰῶνας
and He will reign over the house of Jacob forever. His kingdom will never end!”
John 4:14αἰῶνα
But whoever drinks the water I give him will never thirst. Indeed, the water I give him will become in him a fount of water springing up to eternal life.”
1 Corinthians 1:20αἰῶνος
Where is the wise man? Where is the scribe? Where is the philosopher of this age? Has not God made foolish the wisdom of the world?
Hebrews 1:2αἰῶνας
But in these last days He has spoken to us by His Son, whom He appointed heir of all things, and through whom He made the universe.
Revelation 1:6αἰῶνας
who has made us to be a kingdom, priests to His God and Father—to Him be the glory and power forever and ever! Amen.

Abbott-Smith

αἰών, -ῶνος, ὁ,
[in LXX chiefly for עַד ,עוֹלָם ;]

1. in cl., like Lat. aevum (LS, MM, VGT, see word), a space of time, as, a lifetime, generation, period of history, an indefinitely long period; in NT of an indefinitely long period, an age, eternity, usually with prep. (MM, VGT);

(a) of the past: ἀπ᾽ αἰ. (cf. Heb. מֵעוֹלָם), Luk.1:70;

(b) of the future: εἰς τ. αἰ. (cf. לְעוֹלָם), forever, Mat.21:19; id., with neg., never, Jhn.4:14; more strongly, εἰς τὸν αἰ. τοῦ αἰ., Heb.1:8 (LXX); εἰς τοὺς αἰ., Mat.6:13; εἰς τοὺς αἰ. τῶν αἰ. (cf. Isa.45:17, עַד־עוֹלְמֵי עַד), Rom.16:27, LT; cf. also Eph.3:21, 2Pe.3:18, Ju 25, Rev.14:11.

2. οἱ αἰ., the worlds, the universe, "the sum of the periods of time, including all that is manifested in them": He :12 11:3 (cf. 1Ti.1:17, where τῶν αἰ. are prob. "the ages or world-periods which when summed up make eternity".

3. the present age (Heb. הָעוֹלָם הַזֶּה): ὁ αἰ., Mat.13:22; ὁ αἰ. οὗτος, Mat.12:32; ὁ νῦν αἰ., 1Ti.6:17; ὁ ἐνεστὼς αἰ., Gal.1:4; similarly, of the time after Christ's second coming (הָעוֹלָם הַבָּא), ὁ αἰ. ἐκεῖνος, Luk.20:35; ὁ αἰ. μέλλων, Mat.12:32;

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Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.