Here's what rhymes with castrare.
prayer rare lair blare their there where care bear fair hair share chair pair wear bare dare fare tear faire glare hare mare ware flare mer pear flair guerre mehr cher fere mair pare sehr thair aware square prepare affair declare repair spare swear stare beware forbear scare snare stair affaire aftercare parterre repairer spyware despair unaware unfair impair underwear earthenware thoroughfare bugbear curare horsehair midair solitaire forswear outerwear overbear tinware coheir beachwear broodmare funfair camelhair ovenware everywhere anywhere compare questionnaire doctrinaire silverware debonair disrepair ensnare tableware billionaire medicare chinaware dinnerware foursquare eldercare ironware legionnaire debonaire foreswear backstair setsquare millionaire commissionaire kitchenware maidenhair millionnaire wirehair concessionaire extraordinaire multimillionaire Words that almost rhyme with castrare
yell well cell tell fell del sell bell hell shell dwell gel tel dell delle nel belle celle weal bel knell nell sel telle jell hotel smell farewell spell swell repel befell foretell propel quell lapel quel resell retell morel outsell noel parallel personnel citadel dispel excel cartel gaol motel nouvelle unwell gazelle impel pastel photocell undersell nacelle novelle oversell compel expel infidel materiel carousel decibel fontanelle organelle bagatelle caravel commonweal misspell carrousel muscatel clientele tagliatelle mademoiselle nonparallel zinfandel antipersonnel therefor