belabour vs work over

belabour and work over both are verbs.

Word	Noun	Adjective	Verb	Adverb
belabour	No	No	Yes	No
work over	No	No	Yes	No

As verbs, work over is a hypernym of belabour; that is, work over is a word with a broader meaning than belabour:

belabour: beat soundly
work over: give a beating to; subject to a beating, either as a punishment or as an act of aggression

Other hypernyms of belabour include beat, beat up.

belabour (verb)	work over (verb)
attack verbally with harsh criticism	give a beating to; subject to a beating, either as a punishment or as an act of aggression
beat soundly
to work at or to absurd length