-ac

UK/æk/

suffix

One affected with.

“ketorolac”

OriginFrench -acque ← New Latin -acus ← Ancient Greek -ακός →
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Meanings

-ac1

suffix

alternative -ack · alternative -aque

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

-ac2

suffix

alternative -ack · alternative -aque

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

    ketorolac

Origin

-ac · suffix

  1. Ancient Greek-ακός“-ic”
  2. New Latin-acus
  3. French-acque
  4. English-ac

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

More words from French, New Latin, Ancient Greek

Full word history & related roots →

-ac · suffix

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

Full word history & related roots →

Translations

Finnish -akki
  • -akkione affected with
Greek -ακός, -ιακός
  • -ακός (-akós)one affected with
  • -ιακός (-iakós)one affected with
Hungarian -ák, -ákus
  • -ákone affected with
  • -ákusone affected with
  • -ásone affected with
Portuguese -íaco
  • -íacoone affected with
Spanish -aco, -aca
  • -acoone affected with
  • -acaone affected with
Cite this entry
APA

-ac. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/-ac

MLA

“-ac.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/-ac. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “-ac,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/-ac.

Source: -ac on Wiktionary, CC BY-SA 4.0.