Here's what rhymes with semidemented.
lamented assented scented demented vented dented unscented consented indented dissented regimented alimented prevented ornamented repented relented discontented complemented complimented circumvented reinvented disoriented unprecedented unrepresented misrepresented underrepresented Words that almost rhyme with semidemented
mended appended commended wended fended vended contended appendage transcended unattended trended distended befriended unintended portended expended comprehended netted attested wetted wrested abetted pelted untested whetted bested vetted betted jetted bayonetted guested accepted destined wretched unaffected detested ejected bedded dejected divested fretted intersected molested tepid interjected leaded sweated uncorrected defected gazetted brevetted unattested gelid quested kennelled texted cossetted stetted rejected subjected embedded dreaded inspected deflected disconnected excepted interconnected unconnected welded beheaded disaffected imbedded resected undetected unmolested redirected undigested preempted uncollected uninfected prospected reconnected retested stenciled breaded headwind pretested rearrested bedimmed coquetted facetted pirouetted sledded towheaded trisected vignetted indirected requested respected unexpected regretted exempted recollected unprotected resurrected unsuspected misdirected polarised silhouetted sulphuretted uncontested presaged reinvested solemnised trellised introspected ricochetted disparaged vulgarised reinspected retreaded retrospected burglarised disrespected depolarised