List of 13-letter words containing ••••

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There are 15 thirteen-letter words containing H, O, P, X and Y

ARCHAEOPTERYX	• archaeopteryx n. Alternative spelling of archeopteryx. • Archaeopteryx prop.n. A taxonomic genus within the family Archaeopterygidae – known from fossils and widely accepted as the… • archæopteryx n. Rare spelling of archeopteryx.
ASPHYXIATIONS	• asphyxiations n. Plural of asphyxiation. • ASPHYXIATION n. the act of asphyxiation.
HYDROPEROXIDE	• hydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH. • HYDROPEROXIDE n. a compound containing an O2H group.
HYPERPROSEXIA	• hyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing… • HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers.
HYPOPHARYNXES	• hypopharynxes n. Plural of hypopharynx. • HYPOPHARYNX n. an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue.
HYPOXANTHINES	• hypoxanthines n. Plural of hypoxanthine. • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
NASOPHARYNXES	• nasopharynxes n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages.
ORTHOPYROXENE	• orthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals. • ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
PHOTOTOXICITY	• phototoxicity n. Any adverse effect due to exposure to light, especially such effects on the skin. • PHOTOTOXICITY n. the state of being phototoxic.
PHYCOXANTHINS	• PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
PHYTOTOXICITY	• phytotoxicity n. (Uncountable) The condition of being phytotoxic. • phytotoxicity n. (Countable) A measure of the extent to which something is phytotoxic. • PHYTOTOXICITY n. the state of being phytotoxic.
PROPOXYPHENES	• propoxyphenes n. Plural of propoxyphene. • PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.
SCEUOPHYLAXES	• SCEUOPHYLAX n. a sacristan.
XIPHOPHYLLOUS	• xiphophyllous adj. (Botany) Having sword-shaped leaves. • XIPHOPHYLLOUS adj. having sword-shaped leaves.
XYLOGRAPHICAL	• xylographical adj. Xylographic. • XYLOGRAPHICAL adj. relating to xylography, the art of making engravings on wood, also XYLOGRAPHIC.

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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English Wiktionary: 127 words
Scrabble in French: 15 words
Scrabble in Spanish: no word
Scrabble in Italian: 1 word
Scrabble in German: no word
Scrabble in Romanian: no word

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