1: φρέαρ
(Strong's #5421 — Noun Neuter — phrear — freh'-ar )

"a well, dug for water" (distinct from pege, "a fountain"), denotes "a pit" in Revelation 9:1,2 , RV, "the pit (of the abyss)," "the pit," i.e., the shaft leading down to the abyss, AV, "(bottomless) pit;" in Luke 14:6 , RV, "well" (AV, "pit"); in John 4:11,12 , "well." See WELL.

2: βόθυνος
(Strong's #999 — Noun Masculine — bothunos — both'-oo-nos )

is rendered "pit" in Matthew 12:11 : see DITCH.

3: ἄβυσσος
(Strong's #12 — Noun Feminine — abussos — ab'-us-sos )

see BOTTOMLESS , B.

4: ὑπολήνιον
(Strong's #5276 — Noun Neuter — hupolenion — hoop-ol-ah'-nee-on )

denotes "a vessel or trough beneath a winepress," to receive the juice, Mark 12:1 , RV, "a pit for the winepress" (AV, "a place for ... the wine-fat").

2—Peter 2:4