Here's what rhymes with ertrue.
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 chew cu deux flue fu slew 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 pursue screw anew renew accrue debut stew taboo untrue adieu ado skew tattoo beaucoup outdo imbue outgrew redo halloo valuer endue indue overdrew booboo achoo into review overview withdrew avenue bamboo canoe undue ensue subdue undo jusqu overthrew eschew revue sinew vnto askew ballyhoo fondue foreknew zebu kazoo bestrew muumuu overflew prevue overgrew wazoo regrew atishoo interview revenue residue rendezvous retinue caribou construe overdue barbecue kangaroo shampoo overdo cockatoo honeydew hullabaloo barbeque bugaboo marabou peekaboo buckaroo overshoe superglue hitherto misconstrue