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List of 9-letter words containing •••••

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There are 17 nine-letter words containing N, 3O, P and T

COOPTIONS• cooptions n. Plural of cooption.
• co-options n. Plural of co-option.
• COOPTION n. the act of coopting, also COOPTATION.
IONOTROPY• ionotropy n. (Chemistry) A form of tautomerism involving the movement or redistribution of charges.
• ionotropy n. (Physiology) The regulation of neurotransmitters or cell receptors by ion channels.
• IONOTROPY n. the reversible interconversion of a pair of organic isomers.
LOPHODONT• lophodont adj. (Zoology) Having molar teeth that have ridged grinding surfaces.
• LOPHODONT adj. of a molar tooth, having (esp. transverse) ridges between the cusps; (of a dentition) characterized by such molar teeth.
MONOPTOTE• monoptote n. (Grammar, obsolete) A noun which only occurs in one case.
• MONOPTOTE n. a noun that has one grammatical case only.
MOONPORTS• moonports n. Plural of moonport.
• MOONPORT n. a facility for launching spacecraft to the moon.
NOOTROPIC• nootropic n. (Medicine) Any substance purported to increase or enhance cognitive abilities.
• nootropic n. (Pharmacology) A drug that enhances learning and memory and lacks the usual pharmacology of other psychotropic…
• NOOTROPIC adj. acting on the mind.
OCTOPODAN• octopodan adj. Relating to cephalopod molluscs of the order Octopoda.
• OCTOPODAN n. an octopus or other eight-armed creature, also OCTOPOD.
OPTOPHONE• optophone n. A device that transforms light into sound.
• optophone n. A device, used by the blind, that scans text and generates a different sound for each character.
• OPTOPHONE n. a device transforming light into sound.
POLTROONS• poltroons n. Plural of poltroon.
• POLTROON n. a despicable coward, also POULTROONE.
PONTOONED• pontooned adj. Having a pontoon, or pontoons, attached to it.
• pontooned v. Simple past tense and past participle of pontoon.
• PONTOON v. to cross with a pontoon.
PONTOONER• pontooner n. One who constructs a pontoon.
• PONTOONER n. a builder of pontoon bridges, also PONTONEER, PONTONIER, PONTONNIER.
PORTOLANO• portolano n. Alternative form of portolan.
• PORTOLANO n. (Italian) in the Middle Ages, a navigation manual, also PORTOLAN, PORTULAN.
PROMOTION• promotion n. An advancement in rank or position.
• promotion n. Dissemination of information in order to increase its popularity.
• promotion n. (Marketing) An event intended to increase the reach or image of a product or brand.
PROTOZOAN• protozoan n. (Cytology) Any of the diverse group of eukaryotes, of the phylum Protozoa, that are primarily unicellular…
• protozoan adj. Of, pertaining to, or characteristic of a protozoan.
• PROTOZOAN n. any member of the Protozoa, also PROTOZOON.
PROTOZOON• protozoon n. (Cytology) A protozoan.
• PROTOZOON n. any member of the Protozoa, also PROTOZOAN.
SPONTOONS• spontoons n. Plural of spontoon.
• SPONTOON n. a small-headed halberd formerly carried by some infantry officers.
WOODENTOP• woodentop n. Alternative form of wooden-top.
• wooden-top n. (Britain, informal, idiomatic) A uniformed police officer.
• WOODENTOP n. a uniformed policeman; a guardsman.

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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