ringworld is a valid English word

Scrabble validity: invalid ( international - Sowpods, US - Twl06 )
iScramble validity: invalid
QuickWords validity: invalid

Meanings

Noun (COUNTABLE)

Singular Plural
ringworld ringworlds
    (scifi) An artificial megastructure in space, consisting of a rotating ring encircling a star and having an inhabitable inner surface with gravity produced through centripetal force.

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ringworld is not a Scrabble valid word

ringworld


ringworld is not an iScramble, QuickWords valid word

ringworld


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Same letters words (Anagrams)


Same letters plus one


Same letters minus one