List of 9-letter words ending with

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There are 15 nine-letter words ending with IOLOGY

AETIOLOGY	• aetiology n. The establishment of a cause, origin, or reason for something. • aetiology n. The study of causes or causation. • aetiology n. (Medicine, uncountable) The study or investigation of the causes of disease; a scientific explanation…
AGRIOLOGY	• agriology n. The comparative study of primitive, illiterate or "savage" cultures. • AGRIOLOGY n. the comparative study of primitive peoples.
ANGIOLOGY	• angiology n. The branch of anatomy dealing with blood vessels and lymphatics. • ANGIOLOGY n. the branch of medical science concerned with blood vessels and the lymphatic system.
AUDIOLOGY	• audiology n. The study of the auditory and vestibular systems, and associated disorders. • audiology n. An allied health profession pertaining to the assessment and rehabilitation of hearing and balance disorders. • AUDIOLOGY n. the study of hearing.
CALIOLOGY	• caliology n. The study of birds’ nests. • CALIOLOGY n. the study of bird's nests.
CONIOLOGY	• coniology n. Alternative form of koniology. • CONIOLOGY n. the study of atmospheric pollutants and dust, also KONIOLOGY.
DOSIOLOGY	• dosiology n. Alternative form of dosology. • DOSIOLOGY n. the branch of medicine that deals with dosages, also DOSOLOGY, POSOLOGY.
HAGIOLOGY	• hagiology n. Literature dealing with the lives of saints. • HAGIOLOGY n. the literature dealing with the lives and legends of saints.
HELIOLOGY	• heliology n. (Dated) heliophysics. • HELIOLOGY n. the science of the sun.
KONIOLOGY	• koniology n. The study of dust, pollen and other airborne particles. • KONIOLOGY n. the study of atmospheric pollutants and dust, also CONIOLOGY.
OPHIOLOGY	• ophiology n. (Zoology) The study of snakes, a branch of herpetology. • OPHIOLOGY n. the study of snakes.
RADIOLOGY	• radiology n. (Medicine) The specialty of medical imaging and its interpretation, originally and especially radiography#Noun… • radiology n. (Medicine, obsolete) The use of radioactive substances in diagnosis and treatment (which today is the… • RADIOLOGY n. the study of X-rays and their medical applications.
SEMIOLOGY	• semiology n. Semiotics, the study of signs. • semiology n. (Dated) The science of the signs or symptoms of disease; symptomatology. • semiology n. (Dated) The art of using signs in signalling.
SITIOLOGY	• sitiology n. Alternative form of sitology. • SITIOLOGY n. the science of diet, also SITOLOGY.
SOCIOLOGY	• sociology n. A social science that studies society, human social interaction, patterns of social relationships, and… • SOCIOLOGY n. the study of society.

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: 25 words
Scrabble in French: no word
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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