ῥαββεί (Rec. -βί, see WH, App., 155) (Heb. and Aram. רַב, my master; see Dalman, Words, 327, 331 ff.), a title of respectful address to Jewish teachers, Rabbi: Mat.23:7-8; of John, Jhn.3:26; of Christ, Refs Mat.26:25, 49, Mrk.9:5 11:21 14:45, Jhn.1:30, 50 3:2 4:31 6:25 9:2 11:8; κύριε ῥ Mrk.10:51 (WH, mg., see: ῥαββουνεί).† ῥαββουνεί (Rec. -βονί, see: ῥαββεί) (Aram. רַבּוֺנִי, later, רִבּוֺנִי my master; on the Greek vocalization and the relation of the word to ῥαββεί, see Dalman, Words, 324, 340; Gr., 140; DB, iv, 190) Rabboni: Mrk.10:51 (WH, mg., κύριε ῥαββεί), Jhn.20:16.† (AS)
Thayer:
1) my great one, my honourable sir 2) Rabbi, a title used by the Jews to address their teachers (and also honour them when not addressing them)
ῥαββί
rhabbi
hrab-bee'
Of Hebrew origin [H7227] with pronominal suffix; mymaster, that is, Rabbi, as an official title of honor
H7237 רבּה rabbâhרבּה
rabbâh
rab-baw'
Feminine of H7227; great; Rabbah, the name of two places in Palestine, East and West
KJV Usage: Rabbah, Rabbath.
H7248 רב־מג rab - mâgרב־מג
rab - mâg
rab-mawg'
From H7227 and a foreign word for a Magian; chiefMagian; Rab-Mag, a Babylonian official
KJV Usage: Rab-mag.
H7249 רב־סריס rab - sârı̂ysרב־סריס
rab - sârı̂ys
rab-saw-reece'
From H7227 and a foreign word for a eunuch; chiefchamberlain; Rab-Saris, a Babylonian official
KJV Usage: Rab-saris.
H7262 רבשׁקה rabshâqêhרבשׁקה
rabshâqêh
rab-shaw-kay'
From H7227 and H8284; chiefbutler; Rabshakeh, a Babylonian official