caffeine

bile, biodegradable, capsaicin, keratin, metabolism

Andine, arene, baleen, beguine, Benin, benzene, benzine, Bernstein, between, black bean, boreen, bovine, broad bean, buckbean, canteen, carbine, careen, chlorine, chopine, chorine, citrine, codeine, colleen, convene, cotquean, cuisine, dasheen, dauphine, demean, demesne, dry-clean, dudeen, eighteen, Essene, e-zine, fanzine, fascine, fifteen, flavine, fluorine, fourteen, gamine, gangrene, glassine, gyrene, Hellene, hoatzin, horsebean, houseclean, khamsin, Ladin, lateen, latrine, Lublin, machine, malines, marine, moline, moreen, morphine, nankeen, naphthene, Nicene, nineteen, nongreen, obscene, offscreen, on-screen, patine, piscine, poteen, praline, preteen, pristine, propine, Rabin, ratteen, ravine, red bean, routine, saline, saltine, Salween, sardine, sateen, scalene, serene, shagreen, shebeen, siren, Sistine, sixteen, Slovene, snap bean, soybean, spalpeen, string bean, strychnine, subteen, sunscreen, Szczecin, tacrine, takin, taurine, terrene, terrine, thirteen, Tolkien, tontine, tureen, umpteen, unclean, undine, unseen, vaccine, vitrine, wax bean, white bean, windscreen, yestreen, Yibin, zechin