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

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There are 19 fifteen-letter words containing B, I, 2O, S, T and Y

AMYLOBARBITONES	• AMYLOBARBITONE n. a white crystalline powder used as a sedative, aka amobarbital.
BASIDIOMYCETOUS	• basidiomycetous adj. Relating to the basidiomycetes. • BASIDIOMYCETOUS adj. of or like a basidiomycete.
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.
BIOPSYCHOLOGIST	• biopsychologist n. A specialist in biopsychology.
CONSCIONABILITY	• CONSCIONABILITY n. the state of being conscionable.
CYCLOBARBITONES	• CYCLOBARBITONE n. a barbiturate drug used as a hypnotic and sedative.
DECOMPOSABILITY	• decomposability n. (Uncountable) The condition of being decomposable. • decomposability n. (Countable) The extent to which something is decomposable. • DECOMPOSABILITY n. the state of being decomposable.
HOLOBLASTICALLY	• holoblastically adv. In a holoblastic manner. • HOLOBLASTIC adv. of an entire egg, separated into individual blastomeres.
HYDROBIOLOGISTS	• hydrobiologists n. Plural of hydrobiologist. • HYDROBIOLOGIST n. a student of hydrobiology.
INCONSOLABILITY	• inconsolability n. Inconsolableness. • INCONSOLABILITY n. the quality of being inconsolable.
LABYRINTHODONTS	• labyrinthodonts n. Plural of labyrinthodont. • LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
MONOSYLLABICITY	• monosyllabicity n. The state or characteristic of being monosyllabic. • MONOSYLLABICITY n. the state of being monosyllabic, also MONOSYLLABISM.
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.
PSYCHOBIOLOGIST	• psychobiologist n. A biologist who works in psychobiology. • PSYCHOBIOLOGIST n. one who studies psychobiology.
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.
TOMBOYISHNESSES	• TOMBOYISHNESS n. the state of being tomboyish.

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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English Wiktionary: 126 words
Scrabble in French: 8 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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