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15-Letter Words That Start With: OR

There are 23 15-letter words, 79 15-letter phrases and 0 15-letter abbr's that start with OR.

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Expand?WordSave?LengthUsagePointsType
orthopsychiatry15
31 noun, adjectiven, adj
noun

• Branch of psychiatry concerned with the prevention of mental illness, especially in the young

orthogonalizing15
29 verbv
Valid word for Scrabble US
orthophosphates15
28 nounn
noun

• a salt of phosphoric acid

organophosphate15
26 noun, adjectiven, adj
noun

• an insecticide that interferes with an insect's nervous system

orthodontically15
24 adverb, adjectiveadv, adj
Valid word for Scrabble US
organochlorines15
21 noun, adjectiven, adj
noun

• Any of very many chlorine substituted organic compounds, many of which are insecticides etc.

orchestrational15
20 adjectiveadj
Valid word for Scrabble US
organometallics15
20 noun, adjectiven, adj
Valid word for Scrabble US
organomercurial15
20 noun, adjectiven, adj
Valid word for Scrabble US
orthogonalities15
19 nounn
noun

• the relation of opposition between things at right angles

• the quality of lying or intersecting at right angles

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All 15 Letter Words

Words (23)
orthophosphatesorthogonalizingorchestrationalorthopsychiatryorthogonalitiesorthodonticallyorientationallyorganometallicsorganomercurialorganochlorinesorganophosphateorthophosphoricorthogonalisingorthochromatismornithodelphousornithodelphianorganotherapiesorganographistsorganographicalorchesographiesoraculousnessesorycteropodidaeornithorhynchus
Phrases (79)
orycteropus aferorthodox judaismorgan transplantorder volvocalesorder testudinesorder scandentiaorder sapindalesorder rhoeadalesorder rajiformesorder plecopteraorder orthopteraorder of businessorder lagomorphaorder gruiformesorder crocodyliaorder crocodiliaorder chiropteraorder alcyonariaorange marmaladeoral examinationorlande de lassusoriganum vulgareoriental studiesorganization manorganic disorderorganic compoundoregon crab appleordinary bicycleordinary annuityorderly sergeantorder zygnemalesorder uredinalesorder umbellalesorder therapsidaorder sphagnalesorder secotialesorder saurischiaorder santalalesorder rheiformesorder radiolariaorder psocopteraorder psilotalesorder primulalesorder piciformesorder phalangidaorder pediculatiorder parietalesorder pandanalesorder orchidalesorder opuntialesorder notostracaorder neuropteraorder monilialesorder mallophagaorder lichenalesorder insessoresorder hyracoideaorder helotialesorder graminalesorder ginkgoalesorder geranialesorder gadiformesorder eurotialesorder ephemeridaorder embiopteraorder dinocerataorder dicranalesorder dermopteraorder dermapteraorder cydippideaorder collembolaorder coleopteraorder branchiuraorder agaricalesorder actiniariaorchestral bellsorbital rotationorange free stateoral personality
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