List of 9-letter words beginning with

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There are 16 nine-letter words beginning with OPER

OPERAGOER	• operagoer n. Someone who attends an opera performance. • opera-goer n. Alternative form of operagoer. • OPERAGOER n. one who attends the opera.
OPERANTLY	• operantly adv. In an operant manner. • OPERANT adv. operative.
OPERATICS	• operatics n. Exaggerated or overly emotional behaviour; histrionics. • OPERATICS n. the study of opera; histrionic behaviour.
OPERATING	• operating adj. In operation; that operates. • operating adj. Involved in an operation. (Can we add an example for this sense?) • operating v. Present participle and gerund of operate.
OPERATION	• operation n. The method by which a device performs its function. • operation n. The method or practice by which actions are done. • operation n. The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
OPERATISE	• operatise v. Alternative form of operatize. • OPERATISE v. to turn a play etc. into an opera, also OPERATIZE.
OPERATIVE	• operative adj. Effectual or important. • operative adj. Functional, in working order. • operative adj. Having the power of acting; hence, exerting force, physical or moral; active in the production of effects.
OPERATIZE	• operatize v. (Transitive) To convert into operatic form. • OPERATIZE v. to turn a play etc. into an opera, also OPERATISE.
OPERATORS	• operators n. Plural of operator. • OPERATOR n. one who operates.
OPERCELES	• OPERCELE n. an anatomical part that serves as a lid or cover, also OPERCULE, OPERCULUM.
OPERCULAR	• opercular adj. (Anatomy) relating to the operculum. • opercular n. (Anatomy) The principal opercular bone or operculum of fishes. • OPERCULAR adj. belonging to the operculum.
OPERCULES	• opercules n. Plural of opercule. • OPERCULE n. an anatomical part that serves as a lid or cover, also OPERCELE, OPERCULUM.
OPERCULUM	• operculum n. (Zoology) A covering flap in animals, such as a gill cover. • operculum n. (Botany) The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal… • operculum n. (Dentistry) A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth.
OPERETTAS	• operettas n. Plural of operetta. • OPERETTA n. (Italian) a light musical drama with dialogue.
OPEROSELY	• operosely adv. In an operose manner. • OPEROSE adv. involving great labour.
OPEROSITY	• operosity n. Laboriousness. • OPEROSITY n. laboriousness.

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: 30 words
Scrabble in French: 18 words
Scrabble in Spanish: 18 words
Scrabble in Italian: 20 words
Scrabble in German: 19 words
Scrabble in Romanian: 20 words

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