A — 1: ἔντευξις
(Strong's #1783 — Noun Feminine — enteuxis — ent'-yook-sis )

primarily denotes "a lighting upon, meeting with" (akin to B); then, "a conversation;" hence, "a petition," a meaning frequent in the papyri; it is a technical term for approaching a king, and so for approaching God in "intercession;" it is rendered "prayer" in 1—Timothy 4:5; in the plural in 1—Timothy 2:1 (i.e., seeking the presence and hearing of God on behalf of others). For the synonymous words, proseuche, deesis, see PRAYER.

B — 1: ἐντυγχάνω
(Strong's #1793 — Verb — entunchano — en-toong-khan'-o )

primarily "to fall in with, meet with in order to converse;" then, "to make petition," especially "to make intercession, plead with a person," either for or against others; (a) against, Acts 25:24 , "made suit to (me)," RV [AV, "have dealt with (me)"], i.e., against Paul; in Romans 11:2 , of Elijah in "pleading" with God, RV (AV, "maketh intercession to"), against Israel; (b) for, in Romans 8:27 , of the intercessory work of the Holy Spirit for the saints; Romans 8:34 , of the similar intercessory work of Christ; so Hebrews 7:25 . See DEAL WITH , PLEAD , SUIT.

B — 2: ὑπερεντυγχάνω
(Strong's #5241 — Verb — huperentunchano — hoop-er-en-toong-khan'-o )

"to make a petition" or "intercede on behalf of another" (huper, "on behalf of," and No. 1), is used in Romans 8:26 of the work of the Holy Spirit in making "intercession" (see No. 1, ver. 27).