Sight-seer rhymes with:
seer, baehr, bier, buccaneer, comandeer, ear, endear, hear, here, keir, keneer, manteer, mishear, multiyear, musketeer, overhear, puppeteer, rehear, saffir, sampere, seer, speare, teare, tier, we're, weir
Sight-seer sounds like:
satcher, scheidecker, scheidegger, schweitzer, seducer, setser, setzer, shatzer, sightseer, sitzer, soothsayer, stachura, stacker, stager, stagger, staiger, staker, statzer, staudacher, stecher, stecker, stegar, steger, steiger, stetzer, sticker, stickier, stiger, stitzer, stocker, stoecker, stoeger, stoker, stucker, st_cyr, sweetser, sweitzer, switcher, switzer