Dictionary Only:
Profanity Off:

18-Letter Words Containing: O,R,T,H,O,S

 (In Any Order)
There are 62 18 letter words, 168 18 letter phrases and 0 18 letter abbr's with O,R,T,H,O,S in.

Best Scoring 18 Letter Words With: O,R,T,H,O,S

Expand?WordSave?LengthUsagePointsType
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US!

All 18 Letter Words

Words (62)
spectrophotometrichyperaldosteronismweatherproofnessestrichloroethylenesthrombophlebitidesstoichiometricallystereophotographicsphygmomanometriesspectrophotometersspectrohelioscopesspectroheliographyspectroheliographsrhabdomyosarcomatarehospitalizationsrechromatographiesradiochromatogramsphotoreproductionsphotoreactivationsphotomorphogenesisphotomorphogenesesphotomicrographiesphotolithographiesphotodisintegratesphotodisintegratedphosphodiesterasesperchloroethylenespentachlorophenolsotherworldlinessesorthopsychiatristsorthogonalizationsnonanthropologistsneuropsychologistsneurophysiologistsmonochromaticitiesmicrophotographiesmicrophotographersmethylprednisolonemacrophotographieshyperpolarizationshydrometeorologisthydrometeorologiesglottochronologiesforethoughtfulnesselectrophysiologicelectromyographiesdihydroergotaminesdephosphorylationsdendrochronologistdehydrochlorinatesclaustrophobicallybloodthirstinessesbacteriorhodopsinsastrophotographiesastrophotographersarchaeoastronomiesaerothermodynamicstriphosphopyridinerhinolaryngologistmethyltestosteronehypoparathyroidismglomerulonephritiscytoarchitectonics
Phrases (168)
third epistle of johnthird epistel of johntheodosius the greatscorpio the scorpionpolish monetary unitpolianthes tuberosaphotographer's modelorthotomus sutoriusorder ichthyosauriaoenothera fruticosanational censorshipmount rushmore statemethotrexate sodiumlouis-hector berliozloranthus europaeusjohn charles fremonthypostasis of christhypertonic solutionhouses of parliamenthistorical documentheat of vaporisationhealth professionalgeorge westinghousegenus dorotheanthusgenus dimorphothecafirst epistle of johndoctor of osteopathydmitri shostakovichdistributor housingchristopher marlowechemical operationsbreak someone's heartascension of the lordacoustic gramophoneaccordance of rightswrit of habeas corpuswhorled loosestrifewhite slime mushroomtrisodium phosphatetoxic shock syndromethujopsis dolobratathreshold operationthomas stearns eliotthomas gainsboroughthirst for knowledgethermobia domesticathermionic emissiontheory of indicatorstheodor seuss geiselthamnophis proximustalk through one's hatsuborder menotyphlasuborder lipotyphlastereophonic systemstenotomus chrysopsstations of the crosssouthern yellow pinesouthern bog lemmingsouth temperate zonesodium hypochloritesociological theorysocial anthropologyshrubby st john's wortshoulder-to-shouldershortia galacifoliashort saphenous veinsex-change operationrocky mountain sheeprichard john robertsrhus toxicodenedronrhizopus stoloniferrhizomatous begoniarhetorical questionresearch laboratoryred river of the southpsychotherapy grouppotassium hydroxideportal hypertensionpopulus trichocarpaplains pocket gopherpinnotheres ostreumphrynosoma cornutumpezophaps solitariaparochetus communisparathion poisoningorthopterous insectornithopod dinosaurorder synentognathiorder stegocephaliaorder solenichthyesorder psilophytalesorange horseshoe batoperations researchnotoryctus typhlopsnothofagus truncatanorth celestial polemyositis trichinosamother-in-law's tonguemoreton bay chestnutmonmouth court houseminato ohashi bridgemetaphosphoric acidlip synchronizationlip synchronisationkarl theodor jaspersjatropha stimulosusinorganic phosphateidiopathic disorderhydropower industryholocentrus bullisiheterotheca villosaheterosexual personhenry oscar houghtonhelleborus foetidushaemorrhagic strokegrouse whortleberrygroup psychotherapygeorge paget thomsongenus trichoglossusgenus phascolarctosgenus gomphotheriumgenus entomophthoragenus electrophorusgenus corythosaurusgenus clethrionomysgenus chronoperatesgenus chorizagrotisflorida smoothhoundfast of the firstbornfamily rhiptoglossaeuclid's fourth axiomesther hobart morrisepistle to the romanselectric toothbrushedward the confessoreastern hop hornbeamdorothy leigh sayersdoctor of philosophydoctor of humanitiesdivision rhodophytadirector of researchdental orthopaedicscystophora cristatacorporal punishmentcoronary thrombosisconversion hysteriacontract of adhesioncommon staghorn ferncolaptes chrysoidesclass holothuroideachrysolophus pictuschoriotis australischolesterosis cutischinese forget-me-notcerebral thrombosiscastilleja chromosacalochortus eleganscalochortus amoenusbody plethysmographbartolomeo eustachibartholomew robertsastroloma humifusumarmy of the righteousaristolochia durioraristarchus of samosangoumois grain mothalsophila pometariaacentric chromosome
WordDB Icon
WordDB
United Kingdom
Download the WordDB app directly on your home screen for instant access. No App Store necessary, less than 1MB storage, always up-to-date and secure.
1.
Tap on share button
2.
Tap on Add To Home Screenadd button
3.
Find WordDB App Icon on your home screen