List of 13-letter words beginning with

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There are 16 thirteen-letter words beginning with OST

OSTEICHTHYANS	• osteichthyans n. Plural of osteichthyan. • OSTEICHTHYAN n. a bony fish.
OSTENSIBILITY	• ostensibility n. The quality of being ostensible. • OSTENSIBILITY n. the state of being ostensible, intended for display.
OSTEOFIBROSES	• OSTEOFIBROSIS n. fibrosis of the bone.
OSTEOFIBROSIS	• osteofibrosis n. Fibrotic osteodystrophy. • OSTEOFIBROSIS n. fibrosis of the bone.
OSTEOGRAPHIES	• osteographies n. Plural of osteography. • OSTEOGRAPHY n. a description of bones.
OSTEOMALACIAL	• OSTEOMALACIAL adj. relating to osteomalacia, softening of the skull due to calcium deficiency, also OSTEOMALACIC.
OSTEOMALACIAS	• osteomalacias n. Plural of osteomalacia. • OSTEOMALACIA n. softening of the skull due to calcium deficiency.
OSTEOMYELITIS	• osteomyelitis n. (Pathology) An infection of the bone. • OSTEOMYELITIS n. inflammation of bone marrow.
OSTEOPATHISTS	• osteopathists n. Plural of osteopathist. • OSTEOPATHIST n. a practitioner of osteopathy, also OSTEOPATH.
OSTEOPETROSES	• osteopetroses n. Plural of osteopetrosis. • OSTEOPETROSIS n. a general name for a group of hereditary bone diseases, including marble bone disease, in which bone becomes abnormally dense.
OSTEOPETROSIS	• osteopetrosis n. (Pathology) A rare hereditary disorder characterized by hard, dense bones. • OSTEOPETROSIS n. a general name for a group of hereditary bone diseases, including marble bone disease, in which bone becomes abnormally dense.
OSTEOPLASTIES	• osteoplasties n. Plural of osteoplasty. • OSTEOPLASTY n. plastic surgery on bone.
OSTEOSARCOMAS	• osteosarcomas n. Plural of osteosarcoma. • OSTEOSARCOMA n. a malignant tumour derived from osteoblasts, composed of bone and sarcoma cells.
OSTREICULTURE	• ostreiculture n. Oyster farming. • OSTREICULTURE n. oyster-breeding.
OSTREOPHAGIES	• OSTREOPHAGY n. the eating of oysters.
OSTREOPHAGOUS	• ostreophagous adj. Oyster-eating. • OSTREOPHAGOUS adj. oyster-eating.

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: 71 words
Scrabble in French: 24 words
Scrabble in Spanish: 6 words
Scrabble in Italian: 43 words
Scrabble in German: no word
Scrabble in Romanian: 55 words

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