Stutter, Falter When Speaking
This page is the CodyCross answer for the clue below from Train Travel, Group 713, Puzzle 2 (Track Maintenance).
Question is: Stutter, Falter When Speaking
and the answer is: STAMMER
Word Meaning:
STAMMER — (intransitive) To keep repeating a particular sound involuntarily during speech.
Definitions from Wiktionary.