A — 1: κύριος
(Strong's #2962 — Noun Masculine — kurios — koo'-ree-os )

properly an adjective, signifying "having power" (kuros) or "authority," is used as a noun, variously translated in the NT, "'Lord,' 'master,' 'Master,' 'owner,' 'Sir,' a title of wide significance, occurring in each book of the NT save Titus and the Epistles of John. It is used (a) of an owner, as in Luke 19:33 , cp. Matthew 20:8; Acts 16:16; Galatians 4:1; or of one who has the disposal of anything, as the Sabbath, Matthew 12:8; (b) of a master, i.e., one to whom service is due on any ground, Matthew 6:24; 24:50; Ephesians 6:5; (c) of an Emperor or King, Acts 25:26; Revelation 17:14; (d) of idols, ironically, 1—Corinthians 8:5 , cp. Isaiah 26:13; (e) as a title of respect addressed to a father, Matthew 21:30 , a husband, 1—Peter 3:6 , a master, Matthew 13:27; Luke 13:8 , a ruler, Matthew 27:63 , an angel, Acts 10:4; Revelation 7:14; (f) as a title of courtesy addressed to a stranger, John 12:21; 20:15; Acts 16:30; from the outset of His ministry this was a common form of address to the Lord Jesus, alike by the people, Matthew 8:2; John 4:11 , and by His disciples, Matthew 8:25; Luke 5:8; John 6:68; (g) kurios is the Sept. and NT representative of Heb. Jehovah ('Lord' in Eng. versions), see Matthew 4:7; James 5:11 , e.g., of adon, Lord, Matthew 22:44 , and of Adonay, Lord, Matthew 1:22; it also occurs for Elohim, God, 1—Peter 1:25 .

Matthew 7:21,229:3822:41-45Mark 5:19 Psalm 66:16Luke 8:39Luke 19:31John 13:13John 20:28Acts 10:4Revelation 7:14Acts 2:47 Acts 4:29,30Acts 2:36Acts 10:36Deuteronomy 10:14Matthew 11:25Acts 17:24Psalm 34:81—Peter 2:3Isaiah 8:131—Peter 3:15James 1:7 James 1:53:94:155:4,10,11James 1:1 1—Thessalonians 3:11James 2:1 Psalm 24:729:3Acts 7:21—Corinthians 2:85:7,8James 4:105:15Jude 1:4Jude 1:5Jude 1:9,141—Corinthians 1:31—Corinthians 3:201—Corinthians 3:51—Corinthians 3:101—Corinthians 7:252—Corinthians 3:168:211—Thessalonians 4:61—Corinthians 11:32 1—Corinthians 10:21,22Hebrews 12:5-91—Timothy 6:15,16 Revelation 17:14John 4:16:2311:220:2021:12Acts 20:351—Corinthians 11:231—Thessalonians 2:155:9,101—Thessalonians 2:191—Thessalonians 3:11Ephesians 1:3Acts 16:3120:21Romans 7:24,25Acts 2:36Romans 10:914:91—Corinthians 12:3
A — 2: δεσπότης
(Strong's #1203 — Noun Masculine — despotes — des-pot'-ace )

"a master, lord, one who possesses supreme authority," is used in personal address to God in Luke 2:29; Acts 4:24; Revelation 6:10; with reference to Christ, 2—Peter 2:1; Jude 1:4; elsewhere it is translated "master," "masters," 1—Timothy 6:1,2; 2—Timothy 2:21 (of Christ); Titus 2:9; 1—Peter 2:18 . See MASTER.

Mark 10:51RABBONI.
A — 3: μεγιστάν
(Strong's #3175 — Noun Masculine — megistan — meg-is-tan'-es )

akin to megistos, "greatest," the superlative degree of megas, "great," denotes "chief men, nobles;" it is rendered "lords" in Mark 6:21 , of nobles in Herod's entourage; "princes" in Revelation 6:15; 18:23 , RV (AV, "great men").

B — 1: κυριεύω
(Strong's #2961 — Verb — kurieuo — koo-ree-yoo'-o )

denotes "to be lord of, to exercise lordship over," Luke 22:25; Romans 6:9,14; 7:1; 14:9; 2—Corinthians 1:24; 1 tim. 6:15; see DOMINION , B, No. 1.

B — 2: κατακυριεύω
(Strong's #2634 — Verb — katakurieuo — kat-ak-oo-ree-yoo'-o )

a strengthened form of No. 1, is rendered "lording it" in 1—Peter 5:3 , RV: see DOMINION , B, No. 2.

C — 1: κυριακός
(Strong's #2960 — Adjective — kuriakos — koo-ree-ak-os' )

from kurios (A, No. 1), signifies "pertaining to a lord or master;" "lordly" is not a legitimate rendering for its use in the NT, where it is used only of Christ; in 1—Corinthians 11:20 , of the Lord's Supper, or the Supper of the Lord (see FEAST); in Revelation 1:10 , of the Day of the Lord (see DAY , No. 1).