1: δεσμωτήριον
(Strong's #1201 — Noun Neuter — desmoterion — des-mo-tay'-ree-on )

"a place of bonds" (from desmos, "a bond," deo, "to bind"), "a prison," occurs in Matthew 11:2; in Acts 5:21,23; 16:26 , RV, "prison house" (AV, "prison").

2: φυλακή
(Strong's #5438 — Noun Feminine — phulake — foo-lak-ay' )

for the various meanings of which see CAGE , denotes a "prison," e.g., Matthew 14:10; Mark 6:17; Acts 5:19; 2—Corinthians 11:23; in 2—Corinthians 6:5; Hebrews 11:36 it stands for the condition of imprisonment; in Revelation 2:10; 18:2 , "hold" (twice, RV, marg., "prison;" in the 2nd case, AV, "cage"); Revelation 20:7 .

3: τήρησις
(Strong's #5084 — Noun Feminine — teresis — tay'-ray-sis )

"a watching, keeping," then "a place of keeping" is translated "prison" in Acts 5:18 AV (RV "ward"). See KEEPING , B.

Acts 12:7CELL. Matthew 4:12BETRAY. Mark 1:14Matthew 4:12PUT