I know that there is a liaison between the final "d" in "quand" and a following vowel, but is there a difference for each word in isolation?

  • Just look at en.m.wiktionary.org/wiki/quand#French and check the "pronunciation" section.
    – se0808
    Sep 22, 2017 at 8:17
  • Did you take the time out of your day to downvote a question from a year and a half ago only to provide an unproductive comment? Really?
    – Throsby
    Sep 22, 2017 at 17:27
  • Throsby, meaning no offence, did you take the time time of your day to ask a question which is googlable in a minute?
    – se0808
    Sep 23, 2017 at 7:53

5 Answers 5


These words don't mean the same thing at all. In pronunciation, quand [kɑ̃] et con [kɔ̃]

Some examples :

  • J'ai 20 ans = I am 20. ("Ans" has the same pronunciation of an in quand)
  • Il faut qu'on aille chez Pierre = We need to go at Pierre's home. ("qu'on" has the same pronunciation as con)

But please, don't use "con", I don't think you will have to in a translation. It is a vulgar word.


Yes, quand and con (also qu'on) are pronounced with distincts (at least for native ears) nasalisations, \ɑ̃\ for the former and \ɔ̃\ for the latter.

Ref: wikipedia


The "an" in "quand" is nasal and open. The "on" in "con" is more palatal and close.


I would say that the pronouciation is not that different, but if you have a good level in french you will distinguish between the two just from the context, for example: "C'est quand on va y aller à la piscine?" and " Mais t'es con !"


You should try using a phonetic dictionnary to hear the differences, it's important to be able to make the difference. http://www.larousse.fr/dictionnaires/francais-anglais/on/553284 (number 4, qu'on) and http://www.larousse.fr/dictionnaires/francais-anglais/quand/64737

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