Word.ws English Dictionary

-ac

UK/æk/US/æk/

-ac suffix: one affected with.

Suffix (1)

-ac

  1. One affected with.
  2. Of, belonging to.

Suffix (2)

-ac

  1. Used to form the names of nonsteroidal anti-inflammatory drugs (NSAIDs) that are derivatives of acetic acid.
    • ketorolac

Forms of -ac

alternative form-ack
alternative form-aque

Origin of -ac

From French -acque, from New Latin -acus, from Ancient Greek -ακός (-akós, “-ic”). Related to -ic and -y.

From acetic acid, which is used in the synthesis of many of these compounds.

Questions about -ac

What does -ac mean?
-ac means one affected with.
What part of speech is -ac?
-ac is a suffix.
How do you pronounce -ac?
-ac is pronounced /æk/ (UK).

Words near -ac in the dictionary

  1. -abilities
  2. -ability
  3. -able
  4. -ably
  5. -aboo
  6. -ac
  7. -acal
  8. -aceous
  9. -acious
  10. -acity
  11. -acusis

Source and license

Adapted from Wiktionary: -ac (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “-ac.” Word.ws, https://word.ws/-ac. Based on Wiktionary, CC BY-SA 4.0.