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There are 14 fourteen-letter words containing OPT
| ADOPTABILITIES | • adoptabilities n. Plural of adoptability. • ADOPTABILITY n. the quality of being adoptable. |
| CATADIOPTRICAL | • catadioptrical adj. Catadioptric. • CATADIOPTRICAL adj. relating to or employing both reflection and refraction, as in the construction of some long-focal-length photographic lenses, also CATADIOPTRIC. |
| EPHEMEROPTERAN | • ephemeropteran n. (Zoology) Any insect of the order Ephemeroptera, the mayflies. • EPHEMEROPTERAN n. any insect of the mayfly family. |
| LEPIDOPTERISTS | • lepidopterists n. Plural of lepidopterist. • LEPIDOPTERIST n. a specialist in lepidopterology. |
| OPTIMALISATION | • optimalisation n. Alternative form of optimalization. • OPTIMALISATION n. the process of optimalising, also OPTIMALIZATION. |
| OPTIMALIZATION | • optimalization n. Alternative form of optimization. • OPTIMALIZATION n. the process of optimalizing, also OPTIMALISATION. |
| OPTIMISTICALLY | • optimistically adv. In an optimistic manner. • OPTIMISTICAL adv. optimistic, also OPTIMISTIC. |
| OPTOELECTRONIC | • optoelectronic adj. Of or pertaining to optoelectronics. • optoelectronic adj. That has both optical and electronic components, especially such components that interact. • OPTOELECTRONIC adj. relating to optoelectronics. |
| ORTHOPTEROLOGY | • orthopterology n. The scientific study of the Orthoptera. • ORTHOPTEROLOGY n. the study of cockroaches. |
| OVEROPTIMISTIC | • overoptimistic adj. Excessively optimistic. • over-optimistic adj. Alternative form of overoptimistic. • OVEROPTIMISTIC adj. excessively optimistic. |
| SAUROPTERYGIAN | • sauropterygian n. A reptile of the extinct superorder Sauropterygia. • SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs. |
| THYSANOPTEROUS | • thysanopterous adj. Of or pertaining to the Thysanoptera. • THYSANOPTEROUS adj. belonging to the Thysanoptera, an order of insects with fringed wings, some of which are serious pests to fruit, such as thrips. |
| TRICHOPTERISTS | • TRICHOPTERIST n. someone who studies the caddis flies. |
| XANTHOPTERINES | • XANTHOPTERINE n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERIN. |
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: 145 words
- Scrabble in French: 18 words
- Scrabble in Spanish: 20 words
- Scrabble in Italian: 2 words
- Scrabble in German: no word
- Scrabble in Romanian: 56 words
Recommended websites
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- 1word.ws to play with words, anagrams, suffixes, prefixes, etc.
- Ortograf.ws to look for words.
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