A — 1: πολλάκις
(Strong's #4178 — Adverb — pollakis — pol-lak'-is )

akin to polus, "much, many," is variously translated, e.g., "oft-times," Matthew 17:15 (AV, "oft," 2nd part); "many times," 2—Corinthians 8:22 , RV (AV, "often-times"); "oft," 2—Corinthians 11:23; "often" (2—Corinthians 11:26 ).

A — 2: πολύς
(Strong's #4183 — Adjective — polla — pol-oos' )

the neuter plural of polus, is translated "oft" in Matthew 9:14; some ancient authorities omit it here (see RV marg.); in Romans 15:22 , with the article, RV, "these many times" (AV, "much").

A — 3: ποσάκις
(Strong's #4212 — Adverb — posakis — pos-ak'-is )

an interrogative numeral adverb, "how many times, how oft (or often)?" occurs in Matthew 18:21; 23:37; Luke 13:34 .

A — 4: ὁσάκις
(Strong's #3740 — Adverb — hosakis — hos-ak'-is )

a relative adverb, "as often" (or oft) as, 1—Corinthians 11:25,26; Revelation 11:6 .

A — 5: πυκνός
(Strong's #4437 — Adjective — pukna — pook-nos' )

the neuter plural of puknos (see B), used adverbially, is translated "often" in Luke 5:33 .

A — 6: πυκνός
(Strong's #4437 — Adjective — puknoteron — pook-nos' )

the neuter singular of the comparative degree of puknos (cp. No. 5, and see B), "very often," or "so much the oftener," Acts 24:26 , "the oftener."

Luke 8:29Mark 7:3DILIGENTLY
B — 1: πυκνός
(Strong's #4437 — Adjective — puknos — pook-nos' )

primarily signifies "close, compact, solid;" hence, "frequent, often," 1—Timothy 5:23 . Cp. A, Nos. 5 and 6.