Scrabble validity:
valid (
international - Sowpods
),
invalid (
US - Twl06
)
iScramble validity:
invalid
QuickWords validity:
invalid
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Meanings
Noun (COUNTABLE)
| Singular | Plural |
|---|---|
| periostracum | periostraca |
- (malacology) The proteinaceous outer sheath of many molluscan shells.
periostracum is a Scrabble valid word
- International English (Sowpods) - The word is valid in Scrabble ✓
- US English (TWL06) - The word is not valid in Scrabble ✘
- 18 points
periostracum is not an iScramble valid word
- The word is not valid in iScramble ✘
- 78 points
periostracum is not an QuickWords valid word
- The word is not valid in QuickWords ✘
- 78 points
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Same letters words (Anagrams)
- none