Another way to get rid of tongue ticks and gasps is paste room tone over them.
https://forum.audacityteam.org/t/punch-copy-paste/28906/1
This is a little weirdly named, but it grew out of a different tool and the name stuck.
This does get you down to correcting your whole book or presentation word by word, but sometimes that’s the price of fame and fortune.
Koz