1: γωνία
(Strong's #1137 — Noun Feminine — gonia — go-nee'-ah )

"an angle" (Eng., "coign"), signifies (a) "an external angle," as of the "corner" of a street, Matthew 6:5; or of a building, 21:42; Mark 12:10; Luke 20:17; Acts 4:11; 1—Peter 2:7 , "the corner stone or head-stone of the corner" (see below); or the four extreme limits of the earth, Revelation 7:1; 20:8; (b) "an internal corner," a secret place, Acts 26:26 . See QUARTER.

2: ἀρχή
(Strong's #746 — Noun Feminine — arche — ar-khay' )

"a beginning" (its usual meaning), "first in time, order, or place," is used to denote the extremities or "corners" of a sheet, Acts 10:11; 11:5 . See BEGINNING.

CHIEF. Ephesians 2:201—Peter 2:6