Specimen rhymes with:
eisaman, geesaman, sassaman, weiseman, alaskamen, antihistamine, bangemann, benjamin, bingaman, branaman, cameraman, cinnamon, eisaman, ellemann, fadiman, geesaman, hagaman, hannaman, havemann, heckaman, kinnaman, kinnamon, klingaman, lienemann, lindaman, lindemann, mcmanaman, mcmanamon, mcmenamin, mcmennamin, ottoman, pergamon, prillaman, regimen, salamon, salomon, sassaman, schueneman, schuenemann, solaman, solomon, telamon, thiamin, vandeman, vitamin, waugaman, weiseman
Specimen sounds like:
sauvignon, schaafsma, sevigny, sheboygan, sheepskin, sibson, siefken, sippican, spackman, spagna, spasm, spaziani, speakman, speckman, spezzano, spokane, spoken, spokesman, spokesmen, spokeswoman, spokeswomen, suspicion