List of 12-letter words containing ••••••

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There are 17 twelve-letter words containing A, C, D, I, 2O and Y

CALYCOIDEOUS	• CALYCOIDEOUS adj. calyx-shaped, also CALYCOID.
COLLOIDALITY	• colloidality n. The state or quality of being colloidal. • COLLOIDALITY n. the state of being a colloid.
CONCHOIDALLY	• conchoidally adv. In a conchoidal manner. • CONCHOIDAL adv. shell-like, as applied to fractures in glass and quartz.
COORDINATELY	• coordinately adv. In a coordinate or coordinated fashion. • coördinately adv. Alternative spelling of coordinately. • co-ordinately adv. Alternative spelling of coordinately.
DACTYLIOLOGY	• dactyliology n. The branch of archaeology dealing with gem engraving. • dactyliology n. The branch of archaeology dealing with finger rings. • DACTYLIOLOGY n. the study of finger-rings.
DIALECTOLOGY	• dialectology n. The study of dialects. • DIALECTOLOGY n. the study of dialects.
HYDROLOGICAL	• hydrological adj. Of or pertaining to hydrology. • HYDROLOGICAL adj. relating to hydrology, also HYDROLOGIC.
HYPOCHONDRIA	• hypochondria n. (Medicine) A psychological disorder characterized by excessive preoccupation or worry about having a serious illness. • hypochondria n. (Obsolete, medicine) Melancholy; depression. • hypochondria n. Plural of hypochondrium.
MODIFICATORY	• modificatory adv. In a modifying manner; tending or serving to modify. • MODIFICATORY adj. tending to modify, also MODIFICATIVE.
MORDACIOUSLY	• mordaciously adv. In a mordacious manner. • MORDACIOUS adv. given to biting; biting in quality.
MYCODOMATIUM	• MYCODOMATIUM n. a fungus gall.
OLEANDOMYCIN	• oleandomycin n. (Pharmacology) A macrolide antibiotic produced by Streptomyces antibioticus. • OLEANDOMYCIN n. an antibiotic produced by a streptomyces.
PHOTODYNAMIC	• photodynamic adj. Of, relating to, or caused by the energy or momentum of light or other electromagnetic radiations. • photodynamic adj. Of, or relating to photodynamics. • PHOTODYNAMIC adj. of, relating to, or having the property of intensifying or inducing a toxic reaction to light (as in the destruction of cancer cells stained with a light-sensitive dye) in a living system.
PROSODICALLY	• prosodically adv. In a prosodic manner. • PROSODICAL adv. of or pertaining to prosody, also PROSODIC.
PYCNOCONIDIA	• PYCNOCONIDIUM n. an asexual fungal spore produced in a pycnidium.
RADIOECOLOGY	• radioecology n. The study of the fate and effects of radioactive materials in the environment. • RADIOECOLOGY n. the study of the effects of radiation and radioactive substances on ecological communities.
TROCHOIDALLY	• TROCHOIDAL adv. of or pertaining to a trochoid.

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: 91 words
Scrabble in French: 5 words
Scrabble in Spanish: 2 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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