G299 ἄμωμος - Strong's Greek Lexicon Number

ἄμωμος
without blame, blameless
ἄμωμος unblemished (literally or figuratively)
Derivation: from G1 (as a negative particle) and G3470;
KJV Usage: without blame (blemish, fault, spot), faultless, unblamable.
G1 G3470

Thayer:
1) without blemish
1a) as a sacrifice without spot or blemish
2) morally: without blemish, faultless, unblameable

7 occurrences of G299 ἄμωμος

Ephesians 1:4
Ephesians 5:27
Colossians 1:22
Hebrews 9:14
1 Peter 1:19
Jude 1:24
Revelation 14:5

Corresponding Hebrew Words

a momos H3971 mum (cum negat.)
a momos H8537 tom
a momos H8549 tamim