A — 1: ἀριθμός
(Strong's #706 — Noun Masculine — arithmos — ar-ith-mos' )

number, "a number" (Eng., "arithmetic," etc.), occurs in Luke 22:3; John 6:10; Romans 9:27; elsewhere five times in Acts, ten times in the Apocalypse.

A — 2: ὄχλος
(Strong's #3793 — Noun Masculine — ochlos — okh'-los )

"a multitude," is translated "number" in Luke 6:17 , RV (AV, "multitude"); in Mark 10:46; Acts 1:15 the renderings are reversed. See COMMON , COMPANY , CROWD MULTITUDE, PEOPLE.

B — 1: ἀριθμέω
(Strong's #705 — Verb — arithmeo — ar-ith-meh'-o )

akin to A, is found in Matthew 10:30; Luke 12:7; Revelation 7:9 .

B — 2: καταριθμέω
(Strong's #2674 — Verb — katgarithmeo — kat-ar-ith-meh'-o )

"to number" or "count among" (kata, and No. 1), is used in Acts 1:17 .

B — 3: ἐγκρίνω
(Strong's #1469 — Verb — enkrino — eng-kree'-no )

"to reckon among" (en, "in," krino, "to judge or reckon"), is translated "to number ... (ourselves) with" in 2—Corinthians 10:12 (RV marg., "to judge ourselves among or ... with"), of the Apostle's dissociation of himself and his fellow missionaries from those who commended themselves.

B — 4: συγκαταψηφίζομαι
(Strong's #4785 — Verb — sunkatapsephizo — soong-kat-aps-ay-fid'-zo )

"to vote or reckon (one) a place among" (sun, "with" or "among," kata, "down," and psephizo, "to count or vote," originally with pebbles, psephos, "a pebble"), is used of the "numbering" of Matthias with the eleven Apostles, Acts 1:26 .

Mark 15 1—Timothy 5:9 TAKEMark 5:13 RV. Hebrews 7:23Acts 28:23