1: αὐτάρκεια
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(Strong's #841 — Noun Feminine — autarkeia — ow-tar'-ki-ah )

(autos, "self," arkeo, see A, above; Eng., "autarchy"), "contentment," 1—Timothy 6:6 , is rendered "sufficiency" in 2—Corinthians 9:8 .

2: ἱκανότης
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(Strong's #2426 — Noun Feminine — hikanotes — hik-an-ot'-ace )

is rendered "sufficiency" in 2—Corinthians 3:5 .