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There are 6 fifteen-letter words containing PERIO
| IMPERIOUSNESSES | • imperiousnesses n. Plural of imperiousness. • IMPERIOUSNESS n. IMPERIOUS, assuming command; haughty. |
| PERIODONTICALLY | • PERIODONTIC adv. relating to periodontia, the branch of dentistry concerned with periodontal diseases. |
| PERIODONTITIDES | • periodontitides n. Plural of periodontitis. |
| PERIODONTITISES | • PERIODONTITIS n. inflammation of the tissues surrounding the teeth. |
| PHOTOPERIODISMS | • photoperiodisms n. Plural of photoperiodism. • PHOTOPERIODISM n. a plant or animal's response or capacity to respond to photoperiod. |
| THERMOPERIODISM | • thermoperiodism n. The property of being thermoperiodic. • THERMOPERIODISM n. the effect on an organism of rhythmic temperature variations. |
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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See this list for:
- English Wiktionary: 55 words
- Scrabble in French: 9 words
- Scrabble in Spanish: 2 words
- Scrabble in Italian: 26 words
- Scrabble in German: no word
- Scrabble in Romanian: 12 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.
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