Semi-heights rhymes with:
heights, heitz, hites, benights, bites, bright's, bytes, cites, clevite's, clites, crites, de-excites, delights, excites, feitz, fights, fites, flight's, flights, geitz, grites, heights, heitz, hites, ignites, incites, invites, kites, knight's, knights, light's, lights, lites, mites, night's, nights, nights', nonwhites, overexcites, overwrites, polites, recites, reits, reitz, reunites, rewrites, right's, rights, rights', rite's, rites, seitz, sights, site's, sites, slights, stites, stylites, tights, tonight's, trites, unites, white's, whites, wright's, wrights, writes
Semi-heights sounds like:
schenectady's, secessionists, sense-datas, sensitize, shamanists, smokestack, smokestacks, sunsets, sunstates, sunsweet's, swimsuits