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-ac

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-ac¹

  • /æk/ UK
  • /æk/ US

Where it comes from

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

suffix -ack · -aque

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

-ac²

  • /æk/ UK
  • /æk/ US

Where it comes from

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

suffix -ack · -aque

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

Translations

Every language

suffix one affected with

Español-aco, -aca
Português-íaco
Ελληνικά-ακός -akós, -ιακός -iakós

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Cite this
MLA

"-ac." Wiktionary, via Micwyn, micwyn.com/word/-ac. Accessed 6 Nov. 2026.

APA

-ac. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/-ac

Chicago

"-ac." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/-ac.

BibTeX
@misc{ac_2026,
  title = {-ac},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/-ac},
  urldate = {2026-11-06}
}