Lexical Definition

‎κτίσις‎ ktísis (ktis'-is) creation G:N-F
from ‎κτίζω‎

building, creation, creature, ordinance.

Usage: 4 forms in 20 verses
Form Translated As     In Verse(s)
κτίσισ created thing Rom.8.39
creation Rom.8.20 • Rom.8.21 • Rom.8.22 • 2Cor.5.17 • Gal.6.15
creature Heb.4.13
κτίσεώσ of your creation LXX.Ps.104.24
κτίσεωσ creation Rom.1.20 • Rom.8.19 • Col.1.15 • Heb.9.11 • Rev.3.14
of creation Mark.10.6 • Mark.13.19 • 2Pet.3.4
κτίσει created thing Rom.1.25
creation Mark.16.15 • Col.1.23
institution 1Pet.2.13

Abbott-Smith

κτίσις, -εως, ἡ (< κτίζω), [in LXX: Ps 103 (104):24 (קִנְיָן), Pr 1:13 A (הוֹן), To 8:5, Wi 2:6, Si 16:17, III Mac 2:2, al.;]
1. a founding, settling, foundation (cl.).
2. In LXX and NT,
(a) the act of creating, creation: Mk 10:6 (Swete, in l.), Mk 13:19, Ro 1:20, II Pe 3:4;
(b) that which has been created, creation: Ro 1:25 8:39, He 4:13; καινὴ κ., II Co 5:17, Ga 6:15; πάσῃ ἀνθρωπίνῃ κ. (Hort., in l.), I Pe 2:13; collectively, of the sum of created things (Wi 19:6, Jth 16:14), 15], Col 1:15, 23, He 9:11, Re 3:14; of the irrational creation, Ro 8:19-22.†

Abbott-Smith References

Book Refs
Psalms 104:24
Proverbs 1:13
Mark 10:6 · 13:19 · 16:15
Romans 1:20 · 1:25 · 8:19 · 8:39
2 Corinthians 5:17
Galatians 6:15
Colossians 1:15 · 1:23
Hebrews 4:13 · 9:11
1 Peter 2:13
2 Peter 3:4
Revelation 3:14

Liddell-Scott-Jones

κτίσις-ις [ῐ], εως, ἡ,

(κτίζω) founding, settling, [Refs 5th c.BC+]

__2 loosely, ={πρᾶξις}, κούφα κ. an easy achievement, [Refs 5th c.BC+]
__3 creation, κ. κόσμου [κτίσιςεως NT.Mark.10.6, 13.19, etc. ">NT]
__II created thing, creature, [LXX+NT]
__III authority created or ordained, [NT]

LSJ Scripture Refs: Rom.1.20 ☩ Mark.10.6 ☩ Mark.16.15 ☩ Rom.8.19 ☩ 1Pet.2.13