Wriggle or crawl
glide
There is no word that rhymes with slither and means fast. The closest word is hither, which means come here. The rest are not related to movement directly at all.
hich word means almost the same as watched?StoppedWalkedLooked atCalled to
Bellow means almost the same as roar.
Think means almost the same as believe
shock
promote
afternoon
predotor
happy
Surprised almost means the same as startled.
Joyful, happy, or upbeat.