List of 15-letter words containing IS

ABSTRACTIONISTS ACARODERMATITIS ACCLIMATISATION ACCOMPLISHMENTS ACHILLOBURSITIS ACHROMATISATION ACQUISITIVENESS ACTINOCHEMISTRY ADENOCELLULITIS ADENOHYPOPHYSIS ADMINISTRATIONS ADMINISTRATRESS AEGITHOGNATHISM AEROPHILATELIST AFFRANCHISEMENT AGRANULOCYTOSIS AGRICULTURALIST ALLIGATORFISHES ALLITERATIONIST ALPHABETISATION ALTERNISEPALOUS AMALGAMATIONIST AMBISEXUALITIES AMBISPORANGIATE AMPHIBLESTRITIS AMPHIDISCOPHORA AMYLOHYDROLYSIS ANACEPHALAEOSIS ANACHRONISTICAL ANAGRAMMATISING ANAPHALANTIASIS ANCYLOSTOMIASIS ANGIODERMATITIS ANGIOHYALINOSIS ANHEMATOPOIESIS ANISOBRANCHIATE ANISOTROPICALLY ANKYLOSTOMIASIS ANNIHILATIONISM ANNIHILATIONIST ANOMALISTICALLY ANTHRASILICOSIS ANTHROPOGENESIS ANTHROPOLOGISTS ANTHROPOMANTIST ANTHROPOMETRIST ANTHROPOPATHISM ANTHROPOPHAGISM ANTHROPOPHAGIST ANTHROPOSOPHIST ANTIADIAPHORIST ANTIANAPHYLAXIS ANTIAPHRODISIAC ANTIARISTOCRACY ANTIATHEISTICAL ANTICAPITALISTS ANTICHRISTIANLY ANTICLERICALISM ANTICLERICALIST ANTICOMMUNISTIC ANTICREATIONISM ANTICREATIONIST ANTIEGOTISTICAL ANTIFEUDALISTIC ANTIHIERARCHISM ANTIHIERARCHIST ANTIKETOGENESIS ANTIMATERIALISM ANTIMATERIALIST ANTIMECHANISTIC ANTIMEDIEVALISM ANTIMEDIEVALIST ANTIMINISTERIAL ANTIMODERNISTIC ANTIMONARCHISTS ANTINATIONALISM ANTINATIONALIST ANTIPEDOBAPTISM ANTIPEDOBAPTIST ANTIPERISTALSIS ANTIPERISTALTIC ANTIPHLOGISTIAN ANTIPROTEOLYSIS ANTIRATIONALISM ANTIRATIONALIST ANTIRELIGIONIST ANTIREVISIONIST ANTIRITUALISTIC ANTIROMANTICISM ANTIROMANTICIST ANTISABBATARIAN ANTISCORBUTICAL ANTISCRIPTURISM ANTISENSITIVITY ANTISENSITIZING ANTISEPTICISING ANTISEPTICIZING ANTISOCIALISTIC ANTISPECULATION ANTISPERMOTOXIN ANTISPIRITUALLY ANTISPIROCHETIC ANTISTIMULATION ANTISYMMETRICAL ANTISYNDICALISM ANTISYNDICALIST ANTISYNDICATION ANTITEETOTALISM ANTITOBACCONIST ANTITURNPIKEISM ANTIVIVISECTION ANTROTYMPANITIS APHRODISIOMANIA APOLLINARIANISM APOPHTHEGMATIST APPENDICECTASIS APPERCEPTIONISM APPERCEPTIONIST APRIORISTICALLY AQUINCUBITALISM ARBORICULTURIST ARCHDIPLOMATIST ARCHIEPISCOPACY ARCHIEPISCOPATE ARCHIMPERIALISM ARCHIMPERIALIST ARCHISYMBOLICAL ARIBOFLAVINOSIS ARISTOCRATICISM ARISTODEMOCRACY ARISTOLOCHIALES ARISTOTELIANISM ARRONDISSEMENTS ARTERIALISATION ARTERIODIALYSIS ARTERIOFIBROSIS ARTERIONECROSIS ARTERIOSTENOSIS ARTERIOSTREPSIS ARTHROLITHIASIS ARTHROPHLOGOSIS ARTHROSCLEROSIS ARTHROSYNOVITIS ARTICULATIONIST ASSIMILATIONIST ASTONISHINGNESS ASTROBIOLOGISTS ASTROPHYSICISTS ATHEISTICALNESS ATHEROSCLEROSIS AUTOBIOGRAPHIST AUTOCATHETERISM AUTOPROTEOLYSIS AUTOVIVISECTION BACCHANALIANISM BACTERIOLOGISTS BACTERIOSCOPIST BALANOPOSTHITIS BATHOCHROMATISM BIBLIOMANIANISM BIBLIOPHILISTIC BIBLIOTHERAPIST BIOGEOCHEMISTRY BIOPHYSIOLOGIST BIOPSYCHOLOGIST BIPINNATISECTED BISMUTOSMALTITE BISYMMETRICALLY BLENNOPHLOGISMA BLENNOPHLOGOSIS BLEPHARADENITIS BLEPHARIGLOTTIS BLUESTOCKINGISH BLUESTOCKINGISM BRACHIOCYLLOSIS BRACHIORADIALIS BRACHISTOCHRONE BRACHYCEPHALISM BRACHYDACTYLISM BRADYSPERMATISM BRAGGADOCIANISM BRONCHOADENITIS BRONCHOLEMMITIS BRONCHOPHTHISIS BRONCHOPLEURISY BRONCHOSTENOSIS BULLDOGGISHNESS BUMBLEBEEFISHES BUTTERFLYFISHES CABBALISTICALLY CALVINISTICALLY CANTERBURIANISM CARDIOCIRRHOSIS CARDIOMELANOSIS CARDIOPARPLASIS CARDIOSCLEROSIS CARDIOSYMPHYSIS CATAPHRYGIANISM CATECHISTICALLY CATHETERISATION