WordNet (r) 3.0 (2006):

amebic
    adj 1: pertaining to or resembling amoebae; "amoebic dysentery"
           [syn: amoebic, amebic, amoeban, ameban,
           amoebous, amebous]

Moby Thesaurus II by Grady Ward, 1.0:

57 Moby Thesaurus words for "amebic":
   Euglena, adenovirus, aerobe, aerobic bacteria, amoeba, anaerobe,
   anaerobic bacteria, animalcule, bacillus, bacteria, bacterium, bug,
   coccus, colon bacillus, diatom, disease-producing microorganism,
   dyad, echovirus, enterovirus, filterable virus, flagellate, fungus,
   germ, gram-negative bacteria, gram-positive bacteria, microbe,
   microorganism, microspore, microzoa, mold, monad, nematode,
   nonfilterable virus, paramecium, pathogen, picornavirus, protozoa,
   protozoon, reovirus, rhinovirus, rickettsia, salmonella,
   saprophyte, spirillum, spirochete, spore, sporozoon,
   staphylococcus, streptococcus, tetrad, triad, trypanosome, vibrio,
   virus, volvox, vorticellum, zoospore