Matthew 4:23συναγωγαῖς
Jesus went throughout Galilee, teaching in their synagogues, preaching the gospel of the kingdom, and healing every disease and sickness among the people.
Mark 1:21συναγωγὴν
Then Jesus and His companions went to Capernaum, and right away Jesus entered the synagogue on the Sabbath and began to teach.
Luke 4:15συναγωγαῖς
He taught in their synagogues and was glorified by everyone.
John 18:20συναγωγῇ
“I have spoken openly to the world,” Jesus answered. “I always taught in the synagogues and at the temple, where all the Jews come together. I said nothing in secret.
Acts 6:9συναγωγῆς
But resistance arose from what was called the Synagogue of the Freedmen, including Cyrenians, Alexandrians, and men from the provinces of Cilicia and Asia. They disputed with Stephen,
Revelation 2:9συναγωγὴ
I know your affliction and your poverty—though you are rich! And I am aware of the slander of those who falsely claim to be Jews, but are in fact a synagogue of Satan.

Abbott-Smith

συν-αγωγή, -ῆς, ἡ
[in LXX chiefly for עֵדָה, also for קָהָל, etc. ;]
prop., a bringing together;

1. of things,

(a) a gathering in of harvest;

(b) a collection of money.

2. Of persons,

(a) a collecting, assembling (Polyb.);

(b) an assembly (MM, xxiv; Deiss., LAE, 101 ff.): Rev.2:9 3:9; esp. of a Jewish religious assembly, a synagogue: Luk.12:11, Act.9:2, al.; of a Christian assembly, Jas.2:2. By meton., of the building in which the assembly is held, a synagogue: Mat.10:17, Mrk.1:21, al. (cf. Cremer, see word ἐκκλησία)
SYN.: ἐκκλησία (which see)
(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.