Home | All words | Beginning with | Ending with | Containing AB | Containing A & B | At position
List of 15-letter words containing
Click to remove the last letter
Click to change word size
All alphabetical All by size 3 4 5 6 7 8 9 10 11 12 13 14 15
There are 11 fifteen-letter words containing OPT
| ARCHAEOPTERYXES | • archaeopteryxes n. Plural of archaeopteryx. • ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits. |
| CROSSOPTERYGIAN | • crossopterygian adj. (Zoology) Of or pertaining to the Crossopterygii, an infraclass of bony fish. • crossopterygian n. (Zoology) One of the Crossopterygii. • CROSSOPTERYGIAN n. a member of a subclass of mostly extinct bony fishes, including the coelacanth. |
| EPHEMEROPTERANS | • ephemeropterans n. Plural of ephemeropteran. • EPHEMEROPTERAN n. any insect of the mayfly family. |
| LEPIDOPTEROLOGY | • lepidopterology n. (Biology, zoology, entomology) The scientific study of butterflies and moths (the Lepidoptera). • lepidopterology n. Lepidoptery, (the hobby of butterfly collecting). • LEPIDOPTEROLOGY n. the study of butterflies and moths. |
| MALACOPTERYGIAN | • malacopterygian n. (Archaic) (zoology) Any of the obsolete order of fish Malacopterygii. • MALACOPTERYGIAN adj. belonging to the Malacopterygii, a soft-finned suborder of bony fishes, including herrings and salmon. |
| OPTIMALISATIONS | • optimalisations n. Plural of optimalisation. • OPTIMALISATION n. the process of optimalising, also OPTIMALIZATION. |
| OPTIMALIZATIONS | • optimalizations n. Plural of optimalization. • OPTIMALIZATION n. the process of optimalizing, also OPTIMALISATION. |
| OPTOELECTRONICS | • optoelectronics n. (Physics) The branch of physics that deals with the interaction of light with electronic devices, or… • OPTOELECTRONICS n. a branch of electronics that deals with electronic devices for emitting, modulating, transmitting, and sensing light. |
| SAUROPTERYGIANS | • sauropterygians n. Plural of sauropterygian. • SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs. |
| SUBOPTIMISATION | • suboptimisation n. Alternative spelling of suboptimization. • SUBOPTIMISATION n. the process of suboptimising, also SUBOPTIMIZATION. |
| SUBOPTIMIZATION | • suboptimization n. The optimization of a subunit (or series of subunits) of an organization without good coordination with… • SUBOPTIMIZATION n. the process of suboptimizing, also SUBOPTIMISATION. |
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.
| Back to top | |
| Previous List | Next List |
See this list for:
- English Wiktionary: 113 words
- Scrabble in French: 10 words
- Scrabble in Spanish: 11 words
- Scrabble in Italian: 3 words
- Scrabble in German: no word
- Scrabble in Romanian: 20 words
Recommended websites
- Visit WikWik.org - to search for words and build lists from Wiktionary's words.
- www.BestWordList.com to create personalized word lists.
- www.BestWordClub.com to play duplicate online scrabble.
- 1word.ws to play with words, anagrams, suffixes, prefixes, etc.
- Ortograf.ws to look for words.
 | This site uses web cookies, click to learn more. Our privacy policy. © Ortograf Inc. Website updated on 1 January 2024 (v-2.2.0z). Informations & Contacts. |