2 syllables:
vicia

3 syllables:
abelia, media, baptisia, reptilia, sepia, besseya, chechnya, hestia, hevea, many a, melia, rhexia

4 syllables:
erwinia, actinia, karelia, artemia, anemia, garcinia, eugenia, paresthesia, sapremia, leukemia, ophidia, photinia, armenia, anglophilia, monilia, sardinia, slovenia, mass media, synesthesia, print media, bauhinia, acedia, uremia, robinia, vaccinia, crocodilia, necrophilia, coccidia, amenia, emilia, mysophilia, alexia, ametria, borrelia, bromelia, bumelia, cachexia, dementia, dyslexia, encelia, ephestia, gambelia, gelechia, grindelia, lobelia, mentzelia, millettia, orchestia, parmelia, pereskia, poinsettia, turkmenia, valencia, venezia

5 syllables:
sarracenia, haemophilia, thrombasthenia, thalassemia, multimedia, anoxemia, cirripedia, ascaridia, azotemia, academia, cyclopedia, misopedia, leukopenia, leucopenia, fissipedia, hemophilia, neutropenia, cyclopaedia, bacteremia, acidemia, ketonemia, pinnipedia, dionysia, catamenia, lacertilia, schizophrenia, paraplegia, neurasthenia, quadriplegia, hemiplegia, via media, hebephrenia, hypermedia, acathexia, anorexia, areflexia, avicennia, differentia, genus melia, kosteletzya, meromelia, philadelphia, phocomelia, platyctenea, psychedelia, zannichellia, zantedeschia

6 syllables:
acute leukemia, carotenemia, hypovolemia, encyclopaedia, hyperglycemia, pars intermedia, encyclopedia, hypoglycemia, pancytopenia, cooley's anemia, chronic leukemia, hyperpyrexia, intelligentsia, oligodendria, senile dementia

7 syllables:
hyperlipidemia, pernicious anemia, thrombocytopenia, japanese poinsettia

8 syllables:
hemolytic anemia, paranoid schizophrenia, granulocytopenia, afibrinogenemia, refractory anemia, alcoholic dementia

9 syllables:
hyperbilirubinemia, catatonic schizophrenia, agammaglobulinemia

10 syllables:
abetalipoproteinemia, mediterranean anemia, iron deficiency anemia, hypogammaglobulinemia