Matthew 5:36κεφαλῇ
Nor should you swear by your head, for you cannot make a single hair white or black.
Mark 6:24κεφαλὴν
Then she went out and asked her mother, “What should I request?” And her mother answered, “The head of John the Baptist.”
Luke 7:38κεφαλῆς
As she stood behind Him at His feet weeping, she began to wet His feet with her tears and wipe them with her hair. Then she kissed His feet and anointed them with the perfume.
John 13:9κεφαλήν¶
“Then, Lord,” Simon Peter replied, “not only my feet, but my hands and my head as well!”
1 Corinthians 11:3κεφαλὴ
But I want you to understand that the head of every man is Christ, and the head of the woman is man, and the head of Christ is God.
Revelation 1:14κεφαλὴ
The hair of His head was white like wool, as white as snow, and His eyes were like a blazing fire.

Abbott-Smith

κεφαλή, -ῆς, ἡ
[in LXX nearly always for רֹאשׁ ;]
the head: Mat.5:35, Mrk.6:24, Rev.1:14 9:7, al. mult.; figuratively, ἄνθρακες ἐπὶ τὴν κ., Rom.12:20 (LXX); αἷμι, Act.18:6; metaphorically, of a husband, with genitive, 1Co.1:13, Eph.5:23; of Christ, 1Co.11:3, Eph.4:15 5:23, Col.1:18 2:10, 19; of things, κ. γωνίας, Mat.21:42 (LXX)
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.