List of 13-letter words containing IS

ABNORMALISING ABOLITIONISED ABOLITIONISTS ABRANCHIALISM ABSTENTIONISM ABSTENTIONIST ACCIDENTALISM ACCIDENTALIST ACCLIMATISING ACCOMPLISHERS ACCOMPLISHING ACCORDIONISTS ACETANISIDIDE ACETANISIDINE ACHROMATISING ACQUISITIONAL ACQUISITIVELY ACROARTHRITIS ACROPARALYSIS ACTINOCUTITIS ACTINOMYCOSIS ACTUALISATION ACUPUNCTURIST ADENEMPHRAXIS ADENOFIBROSIS ADENOMETRITIS ADIAPHORISTIC ADMINISTERIAL ADMINISTERING ADMINISTRABLE ADMINISTRANTS ADMINISTRATED ADMINISTRATES ADMINISTRATOR ADMISSABILITY ADMISSIBILITY ADMONISHINGLY ADMONISHMENTS ADMONITIONIST ADVENTURISTIC ADVERTISEMENT ADVISABLENESS AEONICAEONIST AEROBALLISTIC AEROBIOLOGIST AEROGEOLOGIST AEROPHYSICIST AEROSINUSITIS AFFRANCHISING AFRIKANDERISM AGGRESSIONIST AGONISTICALLY AGRICULTURIST AGROBIOLOGIST AGROSTOLOGIST AKISKEMIKINIK ALBUMINOLYSIS ALCHEMISTICAL ALDOSTERONISM ALETHIOLOGIST ALISPHENOIDAL ALLELOTROPISM ALLIGATORFISH ALLOIOGENESIS ALLOISOMERISM ALPHABETISING ALTEREGOISTIC AMBISEXUALITY AMERICANISTIC AMNIOCENTESIS AMORTISSEMENT AMPHIBOLOGISM AMPHISBAENIAN AMPHISBAENOID AMPHISBAENOUS AMPHISPERMOUS AMPHISTOMATIC ANACHRONISTIC ANAGRAMMATISE ANAGRAMMATISM ANAGRAMMATIST ANALPHABETISM ANAPHRODISIAC ANATHEMATISED ANATHEMATISER ANATOMISATION ANDRODIOECISM ANGIEMPHRAXIS ANGIOCARDITIS ANGIOCHOLITIS ANGIOLEUCITIS ANGIONEUROSIS ANGIOPLEROSIS ANGIOSTENOSIS ANGIOTHLIPSIS ANGLICISATION ANGUSTISEPTAL ANIMALISATION ANISODACTYLIC ANISOGNATHISM ANISOGNATHOUS ANISOMETROPIA ANISOMETROPIC ANISOPETALOUS ANISOPHYLLOUS ANISOPLEUROUS ANISOPOGONOUS ANISOSEPALOUS ANISOSTICHOUS ANISOTROPICAL ANNEXATIONISM ANNEXATIONIST ANOMALISTICAL ANTAGONISABLE ANTEBAPTISMAL ANTHECOLOGIST ANTHOLOGISING ANTIANARCHIST ANTIATHEISTIC ANTIBALLISTIC ANTICHRISTIAN ANTICLOCKWISE ANTICOMMUNISM ANTICOMMUNIST ANTIDOGMATISM ANTIDOGMATIST ANTIEGOTISTIC ANTIEPISCOPAL ANTIFEUDALISM ANTIFEUDALIST ANTIHARMONIST ANTIHISTAMINE ANTILITURGIST ANTIMECHANISM ANTIMECHANIST ANTIMISSIONER ANTIMODERNISM ANTIMODERNIST ANTIMYSTICISM ANTINOMIANISM ANTIOCHIANISM ANTIOPTIONIST ANTIPACIFISTS ANTIPHARISAIC ANTIPRELATISM ANTIPRELATIST ANTIREALISTIC ANTIREFORMIST ANTIRITUALISM ANTIRITUALIST ANTISCEPTICAL ANTISCORBUTIC ANTISEPTICISE ANTISEPTICISM ANTISEPTICIST ANTISEPTICIZE ANTISERUMSERA ANTISICCATIVE ANTISILVERITE ANTISKEPTICAL ANTISOCIALIST ANTISOCIALITY ANTISOPHISTIC ANTISOPHISTRY ANTISOPORIFIC ANTISPASMODIC ANTISPIRITUAL ANTISPLENETIC ANTISPLITTING ANTISPREADING ANTISQUATTING ANTISTERILITY ANTISTIMULANT ANTISTROPHIZE ANTISTRUMATIC ANTISUBMARINE ANTISUBSTANCE ANTISUDORIFIC ANTISYMMETRIC ANTIVACCINIST AORTOSTENOSIS APHOTOTROPISM APHRODISIACAL APOCATASTASIS APOCHROMATISM APOCRYPHALIST APODIABOLOSIS APOGEOTROPISM APOKATASTASIS APOMETABOLISM APONEUROSITIS APOSTROPHISED APOTHEGMATIST APOTHEOSISING AQUICULTURIST ARACHNOIDITIS ARACHNOLOGIST ARCHAEOLOGIST ARCHAEOPTERIS ARCHBISHOPESS