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List of 15-letter words containing

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There are 19 fifteen-letter words containing H, N, 2R, S, T and Y

ANTIARRHYTHMICSantiarrhythmics n. Plural of antiarrhythmic.
ANTIARRHYTHMIC n. a drug to prevent cardiac arrhythmia.
ARCHEOASTRONOMYarcheoastronomy n. Alternative spelling of archaeastronomy.
ARCHEOASTRONOMY n. the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations.
DEHYDRORETINOLSDEHYDRORETINOL n. vitamin A2.
ERYTHROPOIETINSerythropoietins n. Plural of erythropoietin.
ERYTHROPOIETIN n. a glycoprotein hormone that stimulates the production of red blood cells by stem cells in bone marrow.
HYDROCORTISONEShydrocortisones n. Plural of hydrocortisone.
HYDROCORTISONE n. a glucocorticoid hormone that is used to treat inflammatory and allergic conditions, aka cortisol.
HYPEREXCRETIONSHYPEREXCRETION n. excessive excretion.
HYPERMODERNISTShypermodernists n. Plural of hypermodernist.
HYPERMODERNIST n. a practitioner of a hypermodernist style in art.
HYPERNATRAEMIAShypernatraemias n. Plural of hypernatraemia.
HYPERNATRAEMIA n. an abnormally high concentration of sodium chloride (salt) in the blood, esp. in infants.
HYPERSECRETIONShypersecretions n. Plural of hypersecretion.
HYPERSECRETION n. excessive secretion.
NEUROPSYCHIATRYneuropsychiatry n. (Medicine) The branch of medicine dealing with disorders that have both neurological and psychiatric features.
NEUROPSYCHIATRY n. a branch of medicine concerned with both neurology and psychiatry.
NORTHEASTWARDLYnortheastwardly adv. Towards the northeast.
NORTHEASTWARDLY adv. in a northeasterly direction.
NORTHWESTWARDLYnorthwestwardly adv. Towards the northwest.
NORTHWESTWARDLY adv. NORTHWESTWARD.
ORNITHORHYNCHUSornithorhynchus n. A platypus (genus Ornithorhynchus).
Ornithorhynchus prop.n. A taxonomic genus within the family Ornithorhynchidae – the single species Ornithorhynchus anatinus…
ORNITHORHYNCHUS n. the duckbill platypus.
PORPHYROGENITESporphyrogenites n. Plural of porphyrogenite.
PORPHYROGENITE n. a Byzantine emperor's son, born in the purple.
PROTOPORPHYRINSprotoporphyrins n. Plural of protoporphyrin.
PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin.
SUPERHETERODYNEsuperheterodyne adj. (Electronics) Pertaining to a technique used in radio and television receivers to tune to a particular…
superheterodyne n. A receiver of this kind.
SUPERHETERODYNE n. applied to radio reception in which oscillations of slightly different frequency are imposed on the received oscillations, producing beats of a frequency above audio-frequency which are easily amplified.
SYNARTHRODIALLYsynarthrodially adv. By means of synarthrosis.
SYNARTHRODIAL adv. of, relating to, or being a synarthrosis.
ULTRASONOGRAPHYultrasonography n. (Medicine) The use of ultrasound to produce diagnostic images of the internal organs of the body, or of a foetus.
ultrasonography n. The use of ultrasound to form images of underwater structures.
ULTRASONOGRAPHY n. the use of ultrasound.
UNTRUSTWORTHILYuntrustworthily adv. In an untrustworthy manner.
UNTRUSTWORTHY adv. not trustworthy.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 156 words
  • Scrabble in French: 27 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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