List of 13-letter words beginning with

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There are 5 thirteen-letter words beginning with OPI

OPINIONATEDLY	• opinionatedly adv. In an opinionated manner. • OPINIONATED adv. unduly adhering to one's own opinion or to preconceived notions.
OPISTHOBRANCH	• opisthobranch n. (Zoology) A gastropod with gills behind the heart, formerly thought to belong to a single group. • opisthobranch adj. (Of gills) Placed behind the heart. • opisthobranch adj. (Of a gastropod) Having gills placed behind the heart.
OPISTHOGRAPHS	• opisthographs n. Plural of opisthograph. • OPISTHOGRAPH n. a manuscript or slab inscribed on both back and front.
OPISTHOGRAPHY	• opisthography n. A writing upon the back of anything, as upon the back of a sheet already written upon on one side. • OPISTHOGRAPHY n. inscribing on the back as well as the front.
OPISTHOSOMATA	• opisthosomata n. Plural of opisthosoma. • OPISTHOSOMA n. the abdomen of a spider or other arachnid.

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: 30 words
Scrabble in French: 11 words
Scrabble in Spanish: 1 word
Scrabble in Italian: 2 words
Scrabble in German: no word
Scrabble in Romanian: 3 words

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