Toothpastes rhymes with:
aftertastes, abolitionists, abortionists, activists, activists', adjusts, adventists, aerodynamicists, aftertastes, agonists, agronomists, ahlquist's, ahlquists, alarmists, allergist's, allergists, amerifirst's, analyst's, analysts, analysts', anarchists, anesthesiologists, animists, antagonists, anthropologists, anti-federalists, apologists, aquarists, archaeologists, archivists, armacost's, armrests, arrests, arsonists, artist's, artists, artists', assists, atheists, attests, august's, backrests, ballasts, balloonists, baptists, bassists, bathurst's, beasts, behaviorists, bequests, best's, bicyclists, biologists, blasts, boasts, boosts, botanists, breakfasts, breasts, broadcasts, budapest's, buddhists, bundespost's, bursts, busts, capitalists, cardiologists, careerists, cartoonists, castes, casts, catalyst's, catalysts, centralists, centrists, centrust's, chartists, chauvinists, checklists, chemists, chests, chloroplasts, christ's, chustz, clarinetists, climatologists, coast's, coasts, cohosts, colonialists, colonists, columnists, comcast's, communist's, communists, communists', conformists, conquest's, conquests, conservationists, consists, constitutionists, consumerists, contest's, contests, contexts, contrasts, costs, counterterrorists, creatologists, crests, criminalist's, criminalists, criminologists, crusts, cultists, cyclists, cysts, dataquest's, demerist's, dentist's, dentists, dentists', dermatologists, digest's, digests, disgusts, distrusts, divests, donatists, druggist's, druggists, dusts, east's, eastes, ecologists, economist's, economists, economists', editorialists, elitists, endocrinologist's, endocrinologists, enlists, enthusiasts, entomologists, environmentalists, environmentalists', epidemiologists, ernest's, ernests, ethicists, evangelists, everest's, exhausts, exhibitionists, exists, extortionists, extremists, fascists, fasts, fatalists, feasts, federalists, feminists, fests, fetishists, finalists, fininvest's, first's, firsts, fists, flavorists, florists, forecasts, forest's, forests, foretastes, frosts, fundamentalists, futurists, generalists, geneticists, geologists, ghosts, guest's, guests, guests', guideposts, guitarist's, guitarists, gusts, gymnasts, gynecologists, harpists, harvests, headrests, healthtrust's, hearst's, herbalist's, herbalists, herbalists', hirst's, hobbyists, hoechst's, hoists, host's, hosts, houseguests, humanists, humorists, hygienists, hypnotists, idealists, ideologists, illusionist's, illusionists, imperialists, impressionists, individualists, industrialists, infests, insists, institutionalists, instrumentalists, interests, internationalists, internists, interventionists, invests, islamists, isolationists, jansenists, jests, joists, jostes, journalist's, journalists, journalists', jurists, kerestes, kremlinologists, lambastes, lampposts, last's, lasts, leftists, linguists, list's, lists, lobbyists, lobbyists', locusts, loyalists, lyricists, machinists, machinists', manifests, maoists, marxists, masts, medalist's, medalists, megaquest's, meteorologist's, meteorologists, microbiologists, midwest's, militarists, misogynists, mistrusts, mists, modernists, molests, monarchists, monetarists, moralists, motorcyclists, motorists, nast's, nationalists, naturalists, natwest's, necrologists, nests, neurologists, newscasts, next's, nihilists, noncommunists, nonconformists, nonpacifists, northeast's, northwest's, norwest's, novelists, numismatists, nutritionists, obstructionists, oncologists, ophthalmologists, opportunists, optimists, optometrists, orthodontist's, orthodontists, orthopedists, outbursts, outcasts, outlasts, outposts, pacifists, paleontologists, palmists, panelists, pastes, pasts, pathologists, perfectionists, peronists, persists, pessimists, pests, pharmacists, pharmacologists, philanthropists, physicists, pianist's, pianists, platonists, poltergeists, populists, post's, posts, pragmatists, preexists, preservationists, priest's, priests, propagandists, protagonists, protectionists, protests, provosts, psychiatrist's, psychiatrists, psychologists, psychotherapists, publicists, purists, quests, quist's, racists, radiologists, rainforests, rapist's, rapists, realists, receptionists, recidivists, reformists, reinvests, rejectionists, requests, reservationists, reservists, resists, rests, retests, revisionists, revolutionists, rightists, ripostes, roasts, rust's, rusts, satirists, schists, scientist's, scientists, scientists', scientologists, secessionists, secularists, segregationists, seismologists, semifinalists, separatists, shamanists, signposts, socialists, socialists', sociologists, soloists, southeast's, southwest's, sovietologists, specialists, specialists', spiritualists, stalinists, statists, stemposts, sternposts, strategists, stylists, suffragists, suggests, suntrust's, supremacists, survivalists, symbolists, taoists, tastes, taxidermists, technologists, telecasts, televangelists, terrorists, terrorists', test's, tests, tests', texts, theorists, therapist's, therapists, therapists's, thrusts, toasts, tourists, toxicologists, traditionalists, trust's, trusts, trusts', twists, typists, ultranationalist's, ultranationalists, unionists, urologists, vests, violinists, violist's, violists, virologists, volcanologists, waists, waste's, wastes, west's, westcoast's, wrists, yeasts, zionists, zoologists