List of 15-letter words containing ••••••

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There are 18 fifteen-letter words containing B, I, 2O, R, T and Y

AMYLOBARBITONES	• AMYLOBARBITONE n. a white crystalline powder used as a sedative, aka amobarbital.
ANTHROPOBIOLOGY	• anthropobiology n. Bioanthropology. • ANTHROPOBIOLOGY n. the study of human biology.
BIOGEOCHEMISTRY	• biogeochemistry n. (Biology, geology, chemistry, ecology) The scientific study of biological, geological and chemical processes… • BIOGEOCHEMISTRY n. the science of plants and animals in relation to chemicals in the soil.
COLLABORATIVELY	• collaboratively adv. Characterized or done by collaboration. • COLLABORATIVE adv. of the nature of collaboration.
COMBINATORIALLY	• combinatorially adv. In a combinatorial way. • COMBINATORIAL adv. of, relating to, or involving combinations.
CONTROLLABILITY	• controllability n. The quality or extent of being controllable; controllableness. • CONTROLLABILITY n. the state of being controllable.
CORROBORATIVELY	• corroboratively adv. In a corroborative manner. • CORROBORATIVE adv. serving to corroborate.
CYCLOBARBITONES	• CYCLOBARBITONE n. a barbiturate drug used as a hypnotic and sedative.
DECARBOXYLATION	• decarboxylation n. (Organic chemistry) The removal of one or more carboxyl groups from a molecule. • DECARBOXYLATION n. the removal or elimination of carboxyl from a molecule.
HYDROBIOLOGISTS	• hydrobiologists n. Plural of hydrobiologist. • HYDROBIOLOGIST n. a student of hydrobiology.
LABYRINTHODONTS	• labyrinthodonts n. Plural of labyrinthodont. • LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
NONCONTRIBUTORY	• noncontributory adj. Describing a pension plan in which the members do not provide their own direct contributions (that is… • noncontributory adj. Not being a contributing factor (to a decision, analysis, or situation), such as not contributing to… • NONCONTRIBUTORY adj. not contributory.
OBSERVATIONALLY	• observationally adv. In an observational way. • OBSERVATIONAL adv. related to observation.
OBSTRUCTIONALLY	• obstructionally adv. As, or by way of, an obstruction; obstructively. • OBSTRUCTIONAL adv. relating to obstruction.
OVERAMBITIOUSLY	• overambitiously adv. With too much ambition.
ROUNDABOUTILITY	• ROUNDABOUTILITY n. the state of being roundabout.
STREPHOSYMBOLIA	• strephosymbolia n. A tendency, associated with word blindness, to twist or invert certain similar letters (such as b and d) when reading. • STREPHOSYMBOLIA n. a visual disorder where letters are seen mirror imaged.
SYMMETROPHOBIAS	• SYMMETROPHOBIA n. fear of symmetry.

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 1Word.ws and WikWik.org.

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See this list for:

English Wiktionary: 172 words
Scrabble in French: 6 words
Scrabble in Spanish: 3 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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