Here's what rhymes with sincerite.
thereat feet meet heat street meat seat sheet treat beat elite fleet wheat neat st feat greet beet cheat peat effete mete sleet teat whereat bleat cleat seethed pleat teethed sweet repeat receipt suite delete secrete entreat excrete reheat helpmeet mistreat skeet tweet defeat retreat discrete obsolete deceit discreet replete indiscreet petite deplete preheat unseat forefeet maltreat offbeat overeat overheat parakeet nutmeat crowfeet webfeet splayfeet complete concrete compete incomplete conceit backseat preterite downbeat sweetmeat loveseat semisweet clubfeet flatfeet parrakeet bittersweet tenderfeet Words that almost rhyme with sincerite
reach leap reap reed leech lege liege leach need deep keep sleep feed seed teach beach breach cheap deed sheep breed creed freed heap preach siege creep greed heed plead weed weep bead beech bleed peach bleach breech cede jeep keyed peep mead screech seep beep knead kneed meed fiche hied neap peed screed treed cheep grebe teed bleep ceilidh shinnied veep agreed speech speed asleep steep sweep mislead recede reread steed misread secede tweed overreach skied whinnied hayseed swede reseed reteach dweeb emceed limeade indeed proceed exceed succeed decreed precede beseech impede accede intercede besiege impeach misdeed pureed refereed crannied filigreed millipede overfeed oversleep scrapheap anteed monkeyed millepede togaed glaceed guaranteed concede disagreed supersede stampede microfiche centipede aniseed pedigreed orangeade underfeed locoweed flambeed slagheap bindweed velocipede fricasseed jimsonweed garnisheed chickenfeed cottonseed least reached leased yeast leaked reaped leached leafed reefed reeked wreaked leashed leeched filliped wriest priest ceased beast feast preached heaped peaked bleached breached briefed greased peeped shrieked streaked cheeked creaked creased peeked pieced piqued seeped beached beaked screeched fleeced freaked beefed beeped creeped sleeked bleeped cheeped increased released se southeast steeped unleashed sneaked policed squeaked overreached tweaked phoniest surceased looniest decreased deceased northeast impeached critiqued unbleached beseeched debriefed antiqued stoniest unmeant boniest toniest bequeathed anapaest trendiest predeceased beanfeast tranquilest