Matthew 23:10

μηδέ (mēdé, G3366) — but not, not even; in a continued negation, nor καλέω (kaléō, G2564) — to "call" (properly, aloud, but used in a variety of applications, directly or otherwise) καθηγητής (kathēgētḗs, G2519) — a guide, i.e. (figuratively) a teacher γάρ (gár, G1063) — properly, assigning a reason (used in argument, explanation or intensification; often… εἷς (heîs, G1520) — one ἐστί (estí, G2076) — he (she or it) is; also (with neuter plural) they are ὑμῶν (hymōn, G5216) — of (from or concerning) you Χριστός (Christós, G5547) — anointed, i.e. the Messiah, an epithet of Jesus