Here are some other words with negative connotations related to articulation:
* Mumble: To speak in a low, unclear voice.
* Stutter: To speak with involuntary repetitions or hesitations.
* Lisp: To speak with a difficulty pronouncing the sounds "s" and "th."
* Stammer: Similar to stutter, but often with more pronounced hesitations and repetition.
It's important to be mindful of the connotations of words when discussing articulation, as some terms can be hurtful or insensitive.