Matthew 18:8αἰώνιον
If your hand or your foot causes you to sin, cut it off and throw it away. It is better for you to enter life crippled or lame than to have two hands and two feet and be thrown into the eternal fire.
Mark 3:29αἰωνίου
But whoever blasphemes against the Holy Spirit will never be forgiven; he is guilty of eternal sin.”
John 3:15αἰώνιον
that everyone who believes in Him may have eternal life.
Romans 2:7αἰώνιον
To those who by perseverance in doing good seek glory, honor, and immortality, He will give eternal life.
Hebrews 5:9αἰωνίου
And having been made perfect, He became the source of eternal salvation to all who obey Him
1 John 1:2αἰώνιον
And this is the life that was revealed; we have seen it and testified to it, and we proclaim to you the eternal life that was with the Father and was revealed to us.

Abbott-Smith

αἰώνιος, -ον (as usual in Attic), also -α, -ον. 2Th.2:16, Heb.9:12;
(αἰών), [in LXX chiefly for עוֹלָם ;]
age-long, eternal,

(a) of that which is without either beginning or end: Rom.16:26, Heb.9:14;

(b) of that which is without beginning: Rom.16:25, 2Ti.1:9, Tit.1:2;

(with) of that which is without end (MM, VGT, see word): σκηναί, Luk.16:9 οἰκία, 2Co.5:1; διαθήκη, Heb.13:20; εὐαγγέλιον, Rev.14:6; παράκλησις, 2Th.2:16; λύτρωσις, Heb.9:12; κληρονομία, ib. 15; κόλασις, Mat.25:46; κρίμα, Heb.6:2; κρίσις, Mrk.3:29; ὄλεθρον, 2Th.1:9; πῦρ, Mat.18:8; frequently with ζωή, which see
SYN.: ἀΐδιος, which see
(AS)

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.