Rivo is valid Scrabble Word

Is rivo a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is rivo valid Words with Friends?
Words with Friends NO

Definitions for RIVO in dictionary:

Words that contain RIVO

rivos8 frivol12 frivols13 frivoled15 frivoler14 frivolers15 frivoling16 frivolity18 frivolled16 frivoller15 frivolous15 frivollers16 frivolling17 frivolities17 frivolously20 unfrivolous17 nonfrivolous18 frivolousness19 nectarivorous18 frivolousnesses21
Find what other words can be done using letters: "rivo"
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