Here's what rhymes with theiirst.
least ceased beast feast leased yeast pieced fleeced wriest priest se southeast greased creased phoniest released deceased policed stoniest boniest surceased toniest looniest increased decreased northeast anapaest trendiest beanfeast predeceased Words that almost rhyme with theiirst
leafed reefed beefed leashed seized teased briefed heaved leaved sheathed sleeved wreathed sneezed peeved sieved weaved wheezed reeved thieved sheaved achieved pleased breathed squeezed grieved appeased bereaved cleaved unleashed breezed strived received believed perceived relieved deceived diseased aggrieved bequeathed unsheathed debriefed mercerised conceived displeased retrieved reprieved overachieved unperceived unrelieved disbelieved interleaved undeceived interweaved misconceived underachieved preconceived feet meet reached heat meat seat sheet sweet beat fleet wheat neat feat suite beet cheat heaped peaked peat steeped leaked peeped reaped shrieked cheeked leached mete peeked piqued seeped sleet sneaked teat beached beaked reeked seethed wreaked freaked beeped skeet leeched sleeked teethed cheeped street treat elite preached st greet bleached breached streaked creaked effete bleat cleat screeched squeaked thereat offbeat overeat pleat tweaked tweet creeped bleeped filliped defeat repeat receipt deceit delete secrete impeached petite whereat reheat unseat beseeched overheat overreached antiqued unmeant retreat compete discrete obsolete conceit discreet replete entreat backseat deplete excrete critiqued preheat unbleached downbeat forefeet helpmeet mistreat sweetmeat loveseat flatfeet nutmeat crowfeet webfeet splayfeet complete concrete bittersweet preterite maltreat parakeet semisweet clubfeet parrakeet indiscreet tenderfeet tranquilest incomplete