רָעַד (rāʿad) is
a Hebrew verb
meaning tremble. It appears
3 times
in 3 books of the Hebrew Bible
(Strong's H7460).
Same Hebrew root (TWOT 2184)
Range of meaning (TWOT 2184)tremble, quake; trembleth; shudder
Full entry: Brown-Driver-Briggs and Strong's
רָעַדverb: tremble, quake
Qaland it (the earth) trembleth
Strong's H7460רָעַד: to shudder (more or less violently) KJV:tremble.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.