annual 6 Associations

one-year biennial (antonym) perennial (antonym)

biennial 8 Associations

biyearly time period period of time period (related term)

biennial 8 Associations

two-year perennial (antonym) annual (antonym)

biennial 8 Associations

plant (generic term) flora (generic term) plant life (generic term)

biennially 10 Associations

biyearly

biyearly 8 Associations

biennial time period period of time period (related term)

biyearly 8 Associations

biennially

one-year 8 Associations

annual biennial (antonym) perennial (antonym)

perennial 9 Associations

annual (antonym) biennial (antonym)

two-year 8 Associations

biennial perennial (antonym) annual (antonym)