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There are 5 twelve-letter words containing OPTERI
| AMINOPTERINS | • aminopterins n. Plural of aminopterin. • AMINOPTERIN n. a rodenticide. |
| COLEOPTERIST | • coleopterist n. (Entomology) One who studies beetles. • COLEOPTERIST n. one who studies beetles. |
| NEUROPTERIST | • neuropterist n. An entomologist whose speciality is lacewings of the order Neuroptera. • NEUROPTERIST n. a person who studies the Neuropteroidea, lacewing flies. |
| ORTHOPTERIST | • orthopterist n. An entomologist who specialises in orthopters. • ORTHOPTERIST n. a student of insects. |
| XANTHOPTERIN | • xanthopterin n. A yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals… • XANTHOPTERIN n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERINE. |
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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See this list for:
- English Wiktionary: 36 words
- Scrabble in French: no word
- Scrabble in Spanish: 2 words
- Scrabble in Italian: 1 word
- Scrabble in German: no word
- Scrabble in Romanian: 2 words
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- Ortograf.ws to look for words.
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