List of 13-letter words containing OS

ABDOMINOSCOPE ABDOMINOSCOPY ACROSPHACELUS ACTINOMYCOSIS ADENOFIBROSIS ADENOSARCOMAS ADRENOSTERONE AEROSINUSITIS AGROSTOGRAPHY AGROSTOLOGIST AIGIALOSAURUS ALBUMINOSCOPE ALDOSTERONISM ALLOEOSTROPHA AMBROSIACEOUS AMPHIPROSTYLE ANDROSPHINGES ANDROSPHINXES ANFRACTUOSITY ANGIONEUROSIS ANGIOPLEROSIS ANGIOSPERMOUS ANGIOSTENOSIS ANISOSEPALOUS ANISOSTICHOUS ANKYLOGLOSSIA ANTEPROSTATIC ANTHOSIDERITE ANTHROPOSCOPY ANTHROPOSOPHY ANTICORROSION ANTICORROSIVE ANTICOSMETICS ANTIGNOSTICAL ANTILACROSSER ANTINEUTRINOS ANTIPROSTATIC AORTOSTENOSIS APHROSIDERITE APLOSTEMONOUS APODIABOLOSIS APONEUROSITIS APOSTATICALLY APOSTOLICALLY APOSTROPHISED APOSTROPHIZED APOSTROPHIZES APOTHEOSISING APOTHEOSIZING APPOSIOPESTIC ARCHEGOSAURUS ARCHOSTENOSIS ARTERIOSTOSIS ARTHROSPOROUS ARTHROSTEITIS ARTHROXEROSIS ASPERGILLOSES ASPERGILLOSIS ASTEREOGNOSIS ASTHENOBIOSIS ASTHENOSPHERE ASTROSPECTRAL ASTYLOSPONGIA ASTYLOSTERNUS ATELOPROSOPIA ATHEROMATOSIS ATLANTOSAURUS ATMOSPHEREFUL ATMOSPHERICAL AUSCULTOSCOPE AUTOCORROSION AUTODIAGNOSIS AUTOHETEROSIS AUTOPSYCHOSIS AUTOSCHEDIASM AUTOSCHEDIAZE AUTOSTABILITY AUTOTOXICOSIS AUXOSUBSTANCE AYUNTAMIENTOS BACTERIOSCOPY BALANOGLOSSUS BALANTIDIOSIS BANDERILLEROS BAROSINUSITIS BAROSINUSITUS BELLICOSENESS BELLICOSITIES BIBLIOGNOSTIC BIOMICROSCOPE BIOMICROSCOPY BIOSATELLITES BIOSCIENTIFIC BIOSPELEOLOGY BIOSTATISTICS BIOSYNTHESIZE BIOSYSTEMATIC BLASTOMYCOSIS BLASTOSPHERIC BLEPHAROSPASM BLEPHAROSPATH BOROSALICYLIC BOSTRYCHOIDAL BOTRYOMYCOSIS BRACHIOSAURUS BRACHYGLOSSAL BRANCHIOSTEGE BRANCHIOSTOMA BREVIROSTRATE BRONCHIOSPASM BRONCHOSCOPIC CACOMORPHOSIS CALAMAGROSTIS CALAMOSPERMAE CALAMOSTACHYS CARBOSILICATE CARDIOSCHISIS CARDIOSPERMUM CELIOMYOSITIS CELLULOSITIES CENTRODESMOSE CENTROSPERMAE CEPHALOSPINAL CEPHALOSPORIN CERATOGLOSSAL CERATOGLOSSUS CERCOSPORELLA CEREBROSPINAL CHAETOSOMIDAE CHALCOSTIBITE CHALKOSIDERIC CHEILOSTOMATA CHELIDOSAURUS CHEMOSORPTION CHEMOSORPTIVE CHEMOSURGICAL CHERRYBLOSSOM CHIAROOSCUROS CHIAROSCURIST CHLAMYDOSPORE CHOLESTEROSIS CHONDRIOSOMAL CHONDRIOSOMES CHONDROCOSTAL CHONDROSAMINE CHONDROSEPTUM CHONDROSTEOMA CHONDROSTEOUS CHOOSABLENESS CHROMATOSCOPE CHROMATOSCOPY CHROMHIDROSIS CHROMIDIOSOME CHROMOSOMALLY CHROMOSPHERES CHROMOSPHERIC CHRONOSTICHON CIRROSTRATIVE CLADOSELACHEA CLADOSIPHONIC CLEIDOSTERNAL CLOSEFISTEDLY COCHLOSPERMUM COELOSPERMOUS COENOSPECIFIC COLOSLOSSUSES COLOSSOCHELYS COMICOPROSAIC COMPOSITENESS COMPOSITIONAL COMPOSITIVELY COMPOSITORIAL CONIOSPERMOUS CONTRAPOSAUNE CONTRAPPOSTOS COREMORPHOSIS CORROSIBILITY CORROSIVENESS CORTICOSPINAL COSCINODISCUS COSIGNATORIES COSMETOLOGIST COSMOCHEMICAL COSMOGRAPHIES COSMOGRAPHIST COSMONAUTICAL COSMOPOLITANS COSMOPOLITICS COSMOPOLITISM COSMOTHEISTIC COSOVEREIGNTY COSPONSORSHIP COSTICERVICAL COSTOCHONDRAL COSTOCORACOID COSTOINFERIOR COSTOSCAPULAR COSTOSUPERIOR COSTOTHORACIC COSUBORDINATE