The second form being used in Job 3:26; a primitive root; to be tranquil, that is, secure or successful
KJV Usage: be happy, prosper, be in safety.
H7886 שׁילה shı̂ylôhשׁילה
From H7951; tranquil; Shiloh, an epithet of the Messiah
KJV Usage: Shiloh.
H7954 שׁלה she lâhשׁלה
(Chaldee); corresponding to H7951; to besecure
KJV Usage: at rest.
H7958שׂליו שׂלוo śe lâv śe lâyv
By orthographical variation from H7951 through the idea of sluggishness; the quail collectively (as slow in flight from its weight)
KJV Usage: quails.
H7959 שׁלו shelevשׁלו
From H7951; security
KJV Usage: prosperity.
H7961 שׁלוה שׁליו שׁלו shâlêv shâlêyv she lêvâhשׁלוה שׁליו שׁלו
shâlêv shâlêyv she lêvâh
From H7951; tranquil; (in a bad sense) careless; abstractly security