Here's what rhymes with laborieux.
you true blue drew u blew lieu lu rue brew loo pew yew yu ewe ru roux to who do two new through too few view due knew du grew que crew threw coup flew q qu shoe zu clue cue dew glue hue queue shew su sue tu vous accrue chew cu deux flue fu slew untrue zoo bu flu hu ju jus ku mu nu peu piu pu seu shu sou thru vu woo boo chou chu coo cou doo feu fue gu hew mieux shou shrew sprue thu tue tzu vou vue wou wu clew goo mew moo pooh strew poo shoo spew gnu slue thew whew phew regrew review pursue screw anew renew undue debut stew subdue taboo undo adieu ado skew tattoo beaucoup outdo revue askew imbue outgrew redo halloo valuer endue fondue indue overdrew booboo achoo atishoo into overview withdrew bamboo canoe ensue retinue construe jusqu overthrew eschew shampoo sinew vnto ballyhoo hullabaloo foreknew zebu kazoo bestrew muumuu overflew prevue overgrew wazoo interview revenue residue avenue rendezvous caribou overdue overdo honeydew bugaboo marabou peekaboo buckaroo overshoe superglue hitherto barbecue kangaroo cockatoo barbeque misconstrue