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List of 15-letter words beginning with

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There are 7 fifteen-letter words beginning with RI

RIBONUCLEOSIDESribonucleosides n. Plural of ribonucleoside.
RIBONUCLEOSIDE n. a nucleoside containing ribose.
RIBONUCLEOTIDESribonucleotides n. Plural of ribonucleotide.
RIBONUCLEOTIDE n. a nucleotide containing ribose.
RIGHTABLENESSESRIGHTABLENESS n. the state of being rightable.
RIGHTEOUSNESSESrighteousnesses n. Plural of righteousness.
RIGHTEOUSNESS n. the state of being righteous.
RIGIDIFICATIONSrigidifications n. Plural of rigidification.
RIGIDIFICATION n. the act of rigidifying.
RITUALISTICALLYritualistically adv. Done as though following a ritual; in a ritualistic manner.’.
RITUALISTIC adv. relating to ritualism.
RIVERWORTHINESSriverworthiness n. The quality of being riverworthy.
RIVERWORTHINESS n. the state of being riverworthy.

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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