He that spareth
chasak (khaw-sak')
assuage, darken, forbear, hinder, hold back, keep (back), punish, refrain, reserve, spare, withhold.
his rod
shebet (shay'-bet)
a scion, i.e. (literally) a stick (for punishing, writing, fighting, ruling, walking, etc.) or (figuratively) a clan -- correction, dart, rod, sceptre, staff, tribe.
hateth
sane' (saw-nay')
to hate (personally) -- enemy, foe, (be) hate(-ful, -r), odious, utterly.
his son
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
but he that loveth
'ahab (aw-hab')
to have affection for (sexually or otherwise) -- (be-)love(-d, -ly, -r), like, friend.
him chasteneth
muwcar (moo-sawr')
chastisement; figuratively, reproof, warning or instruction; also restraint -- bond, chastening (-eth), chastisement, check, correction, discipline, doctrine, instruction, rebuke.
him betimes
shachar (shaw-khar')
to dawn, i.e. (figuratively) be (up) early at any task (with the implication of earnestness); by extension, to search for (with painstaking)