Here's what rhymes with unary.
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belly allele jelly smelly deli telly underbelly vermicelli many messy heavy ready fairly rarely barely semi petty levy penny antennae heady levee medley unfairly jetty teddy bevy faery jenny kepi leggy recce sedgy veggie healthy steady wealthy deadly lengthy gentry unhealthy fleshy carefree sentry sexy sketchy sweaty unsteady vestry belfry deathly gayety hefty machete confetti pebbly tempi testy breathy dressy pesky thready lefty wetly already especially twenty assembly scarcely elementary gently plenty freshly immensely densely frenzy squarely deftly spaghetti coquetry fleshly stealthy sullenly fidgety tensely trendy aplenty libretti maidenly marquetry adeptly effendi ineptly directly friendly correctly intensely epilepsy intently unfriendly halfpenny hostelry baronetcy preciously woodenly indirectly incorrectly apoplexy excellency complexly sacredly deviancy reassembly complementary expressly confusedly grotesquely narcolepsy catalepsy cognoscenti penitently ambivalently circumspectly equivalently