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Rare Long Words

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NatPan
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Last updated: February 16, 2026
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First submittedFebruary 16, 2026
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Average score6.9%
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Definition
Answer
Also known as Sturge-Weber syndrome
Encephalotrigeminalangiomatosis
Older name for Staphylococcal Scalded Skin Syndrome
Epidermolysisbullosastaphylogenes
Also known as Stone man disease
Fibrodysplasiaossificansprogressiva
an extremely rare autosomal dominant ectodermal dysplasia
Dermatopathiapigmentosareticularis
Also known as menetrier disease
Hypoproteinemichypertropicgastropathy
A rare genetic telomere biology disorder characterized by a triad of nail dystrophy
Dyskeratosiscongenitascogginstype
A rare genetic bone growth disorder present at birth, causing disproporionate short-stature dwarfism with a short neck and trunk
Spondyloepiphysealdysplasiacongenita
A progressive neurological disease where the brains white matter deteriorates and is replaced by fluid
Leukoencephalopathywithvanishingwhitematter
A disorder where the body cannot regulate the number of immune cells leading to an enlarged spleen and lymph nodes
Autoimmunelymphoproliferativesyndrome
An enzyme involved in the post-translational modification of collagen.
Galactosylhydroxylysylglucosyltransferase
A major family of enzymes in the liver that detoxifies substances by making them water-soluble
Uridinediphosphoglucuronosyltransferase
A powerful chelating agent used to bind metal ions in industrial and medical applications
Triethylenetetraminehexaaceticacid
Opposition to the opposition of disestablishing a state church
Pseudoantidisestablishmentarianism
Insurance companies providing legal protection [German]
Rechtsschutzversicherungsgesellschaften
Motor vehicle liability insurance [German]
Kraftfahrzeughaftpflichtversicherung
Period of stabilizing the planing of a specialist doctor's practice [Danish]
Speciallaegepraksisplanlaegningsstabiliseringsperiode
An enzyme that converts PE to PC in the liver.
Phosphatidylethanolaminemethyltransferase
A cofactor used in anabolic reactions.
Nicotinamideadeninedinucleotidephosphate
An enzyme involved in the urea cycle
Carbamoylphosphatesynthetase
A rare aggressive primary liver cancer containing both hepatocellular and bile duct cancer cells
Combinedhepatocellularcholangiocarcinoma / Hepatocholangiocarcinoma
Older term for chronic fatigue syndrome
Benignmyalgicencephalomyelitis
Inflammation of the larynx, trachea, bronchi and lungs.
Laryngotracheobronchopneumonitis
A type of phosphinous acid, specifically a benzhydrylphosphinous acid derivative.
Tetramethyldiaminobenzhydrylphosphinousacid
The enzyme that helps your body produce adrenaline
Phenylethanolaminenmethyltransferase
German term for "Laparoscopic Hysterosalpingo-oophorectomy"
Laparoskopischehysterosalpingooophorektomie
Energy state differences of ytterbium isotopes (Finnish)
Ytterbiumisotooppienenergiatilaerot
Shortened version of the longest afrikaans word meaning "Second Hand Car Salesman Union"
Tweedehandsemotorverkoopsmannevakbond
A complex pharmacetical chemical once studied for treating specific infections
Paraacetylaminobenzaldehydethiosemicarbazone
Also known as Fabry's disease
Angiokeratomacorporisdiffusumuniversale
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1 Comments
NatPan
+1
Level 22
Feb 16, 2026
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