A — 1: πρᾶξις
(Strong's #4234 — Noun Feminine — praxis — prax'-is )

"a doing, deed" (akin to prasso, "to do or practice"), also denotes "an acting" or "function," translated "office" in Romans 12:4 . See DEED.

A — 2: ἱερατεία
(Strong's #2405 — Noun Feminine — hierateia — hee-e-at-i'-ah )

or hieratia, denotes "a priest's office," Luke 1:9; Hebrews 7:5 , RV, "priest's office" (AV "office of the priesthood").

B — 1: ἱερατεύω
(Strong's #2407 — Verb — hierateuo — hee-er-at-yoo'-o )

"to officiate as a priest" (akin to A, No. 2), is translated "he executed the priest's office" in Luke 1:8 . The word is frequent in inscriptions.

Romans 11:13Acts 1:201—Timothy 3:11—Timothy 3:10,13