List of 9-letter words beginning with

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There are 19 nine-letter words beginning with ACTI

ACTINALLY	• actinally adv. In an actinal manner. • ACTINAL adv. pertaining to the part of a radiate animal, such as a starfish, which contains the mouth.
ACTINIANS	• actinians n. Plural of actinian. • ACTINIAN n. a sea-anemone, also ACTINIA.
ACTINIDES	• actinides n. Plural of actinide. • ACTINIDE n. any element of a group from element number 89 (actinium) to 103 (lawrencium), also ACTINOID.
ACTINISMS	• actinisms n. Plural of actinism. • ACTINISM n. the property of radiant energy that effects chemical changes.
ACTINIUMS	• actiniums n. Plural of actinium. • ACTINIUM n. a radioactive metallic chemical element, atomic number 89, the first element of the actinide series.
ACTINOIDS	• actinoids n. Plural of actinoid. • ACTINOID n. any element of a group from element number 89 (actinium) upwards, also ACTINIDE.
ACTINOPOD	• actinopod n. (Zoology) Any member of the variously ranked group Actinopoda of protozoa. • ACTINOPOD n. any protozoan of the phylum Actinopoda, such as a radiolarian or a heliozoan, having stiff radiating cytoplasmic projections.
ACTIONERS	• actioners n. Plural of actioner. • ACTIONER n. a film with a lot of action.
ACTIONING	• actioning v. Present participle of action. • ACTION v. to carry out.
ACTIONIST	• actionist n. (Art, sometimes capitalized) One taking part in the actionism movement. • actionist n. (Business, obsolete) A shareholder in a joint-stock company. • actionist n. Synonym of activist.
ACTIVATED	• activated v. Simple past tense and past participle of activate. • ACTIVATE v. to set in motion.
ACTIVATES	• activates v. Third-person singular simple present indicative form of activate. • ACTIVATE v. to set in motion.
ACTIVATOR	• activator n. One who, or that which, activates. • activator n. (Chemistry) Something that activates a catalyst. • activator n. (Biology) Any chemical or agent which regulates one or more genes by increasing the rate of transcription.
ACTIVISED	• ACTIVISE v. to activate, also ACTIVIZE.
ACTIVISES	• ACTIVISE v. to activate, also ACTIVIZE.
ACTIVISMS	• activisms n. Plural of activism. • ACTIVISM n. a policy of direct action.
ACTIVISTS	• activists n. Plural of activist. • ACTIVIST n. an advocate of activism.
ACTIVIZED	• activized v. Simple past tense and past participle of activize. • ACTIVIZE v. to activate, also ACTIVISE.
ACTIVIZES	• activizes v. Third-person singular simple present indicative form of activize. • ACTIVIZE v. to activate, also ACTIVISE.

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: 56 words
Scrabble in French: 29 words
Scrabble in Spanish: 26 words
Scrabble in Italian: 2 words
Scrabble in German: 1 word
Scrabble in Romanian: 44 words

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