1: καθότι
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(Strong's #2530 — Adverb — kathoti — kath-ot'-ee )

from kata, "according to," and hoti, "that," lit., "because that," Luke 1:7; 19:9; Acts 2:24 , is translated "according as" in Acts 2:45; RV (AV, "as"); Acts 4:35; "inasmuch as," Acts 17:31 .

2: καθώς
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(Strong's #2531 — Adverb — kathos — kath-oce' )

from kata, "according to," and hos, "as," signifies "according as" or "even as," e.g., 1—Corinthians 1:31; 2—Corinthians 9:7 .

3: ὡς
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(Strong's #5613 — Adverb — hos — hoce )

is sometimes rendered "according as," e.g., Revelation 22:12; in 2—Peter 1:3 , the RV has "seeing that," for the AV "according as."

4: καθό
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(Strong's #2526 — Adverb — katho — kath-o' )

See INASMUCH AS.