English edit

Etymology 1 edit

From Old English āc (oak) (but not part of the etymology of acorn).

Prefix edit

ac-

  1. (in place names) oak.

Etymology 2 edit

Pronunciation edit

Prefix edit

ac-

  1. to or with.
    ac- + ‎company → ‎accompany
    ac- + ‎knowledge → ‎acknowledge

Anagrams edit

Latin edit

Prefix edit

ac-

  1. Alternative form of ad-
    Occurs when ad- is prefixed to a word beginning with the letter c or q (accēdō, acceptō, accessiō, acquiēscō, etc.)