English Wikipedia has an article on:

accuser

Wikipedia

• accusor
• accusour (obsolete)

Inherited from Middle English acuser, accusour, borrowed from Old French accusour, from Latin accūsātor, from accūsāre. Equivalent to accuse +‎ -er. Doublet of accusator.

• (US) IPA^(key): /əˈkju.zɚ/
• (UK) IPA^(key): /əˈkjuː.zə/

• Audio (Southern England):

  (file)

• Audio (US):

  (file)

• Rhymes: -uːzə(ɹ)

accuser (plural accusers)

1. One who accuses; one who brings a charge of crime or fault.

   Antonym: accused

• “accuser”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• accrues, accurse

Inherited from Middle French accuser, from Old French acuser, accuser, borrowed from Latin accūsāre.

• IPA^(key): /a.ky.ze/
• Homophones: accusai, accusé, accusée, accusées, accusés, accusez

• Audio:

  (file)

accuser

1. (transitive) to accuse
2. (transitive) to find fault with
   • 1857, Gustave Flaubert, Madame Bovary, page 180:

     Emma portait sa lettre au bout du jardin... Rodolphe venait l'y chercher et en plaçait une autre, qu'elle accusait toujours d'être trop courte.

     Emma took her letter to the end of the garden... Rodolphe came and fetched it and put another in its place, which she always found fault with for being too short.

3. (intransitive, formal) to show; to reveal
4. (when used with ~ réception) to acknowledge receipt of something

• “accuser”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

accūser

1. first-person singular present passive subjunctive of accūsō

From Old French acuser, accuser, borrowed from Latin accuso, accusare.

accuser

1. to accuse

• Middle French conjugation varies from one text to another. Hence, the following conjugation should be considered as typical, not as exhaustive.

• French: accuser