G2509
καθάπερ
just as
καθάπερ (for καθ᾽ ἅπερ = καθά) adv., [in LXX for אֲשֶׁר, Gen.12:4, Exo.7:6, al. ;] just as, even as: Rom.3:4 4:6 9:13 10:15 11:8 12:4, 1Co.10:10 12:12, 2Co.1:14 3:13 3:18 8:11, 1Th.2:11 3:6 3:12 4:6, Heb.4:2.† (AS)
The KJV translates G2509 in the following manner:
as (24x), As (2x)
Full Thayer's lexicon entry
καθάπερ — katháper
καθάπερ (καθ' ἅπερ), according as, just as, even as, (("καθά marking the comparison, περ (akin to the preposition περί) the latitude of the application"): Rom 9:13 WH text; WH text; also) and 1Co 10:10 in T Tr WH; 2Co 3:13; 2Co 3:18 (here WH marginal reading καθώσπερ); 1Th 2:11; καθάπερ καί, Rom 4:6; 2Co 1:14; 1Th 3:6; 1Th 3:12; 1Th 4:5; Heb 4:2, and R G in Heb 5:4; καθάπερ followed by οὕτω (or οὕτως), Rom 12:4; 1Co 12:12; 2Co 8:11. ((From Aristophanes down); the Sept. for כַּאֲשֶׁר, Exo 7:6; Exo 7:10.)
13 occurrences
Romans (2), I Corinthians (2), II Corinthians (4), I Thessalonians (4), Hebrews (1)