Here's what rhymes with methicillinsensitive.
                        
                        
                    
                                sensitive  insensitive  nonsensitive  oversensitive  Words that almost rhyme with methicillinsensitive
tentative  genitive  sedative  negative  relative  executive  imperative  decorative  consecutive  preventative  representative  comparative  competitive  contemplative  argumentative  commemorative  unrepresentative  nonconsecutive  noncompetitive