stutter

US /ˈstʌt̬.ɚ/
UK /ˈstʌt̬.ɚ/
1.

stottern

to speak or say something, especially the first part of a word, with difficulty, for example pausing before it or repeating it several times:

:
She stutters a little, so be patient and let her finish what she's saying.
1.

stottern

the act of speaking or saying something, especially the first part of a word, with difficulty, for example pausing before it or repeating it several times:

:
Toni's developed a slight stutter over the last few months.