There are 17 words that start with 'biv'.
| bivalve | bivinyl | bivouac |
| bivalent | bivalved | bivalves |
| bivinyls | bivouacs | bivalence |
| bivalency | bivalents | bivariate |
| bivouacks | bivalences | bivouacked |
| bivalencies | bivouacking | |
Note: These 17 words that start with 'biv' are found from the USA & Canada version of the tournament Scrabble word list.