Consider someone mentioning "a bacteria", where the number of the
pronoun article doesn't match that of the noun.
I suppose one could say there's disagreement in number, or the
pronoun article doesn't match the noun but I have always described it as a singular/plural mismatch (or sometimes as a singular-plural mismatch) - which generally gets the idea across.
But it seems to be a slightly clumsy phrase -- and I am often helping people fix their writing (in several contexts), many of whom don't have English as a first language.
It would be handy to have a term that is both shorter and clearer than that three word phrase. Failing that either a shorter or a clearer/simpler term might be useful in some situations.
For example, I'd like to have some other choices for ways to say "Your first sentence has a singular-plural mismatch", either by replacing the last three words or by replacing that term and rephrasing the sentence as a whole.
Is there a more standard term for this?
Is there a shorter term? (I don't necessarily seek a single word here)
Is there a term that while not necessarily shorter might be simpler/plainer (e.g. that might be more readily understood by people who may not have a solid command of English)?