BIENNIALLY Scrabble 15 Words With Friends 19 Scrabble letter values: B3I1E1N1N1I1A1L1L1Y4 = 15 Definition adverb every two years. — synonyms: biyearly Examples “this festival takes places biennially” See all 151 words you can make from BIENNIALLY → 10-letter words Words starting with B Words ending with Y ← Unscramble different letters