Shamanists rhymes with:
abortionists, agonists, botanists, colonists, constitutionists, extortionists, impressionists, interventionists, isolationists, nutritionists, peronists, preservationists, protectionists, receptionists, rejectionists, reservationists, revisionists, revolutionists, secessionists, segregationists, unionists, zionists
Shamanists sounds like:
schenectady's, secessionists, semi-heights, sense-datas, sensitize, smokestack, smokestacks, sunsets, sunstates, sunsweet's, swimsuits