bibliography
because
that word will be BE EASY.
Bellybuttons would be the longest word I can think of beginning with a 'b' and ending in an 's'.
Bayou
boffo, bizarre
Backrushes.
Ballerina is one 9-letter word beginning with B and ending with A.
Bland.
because
Botany.
berets
block
that word will be BE EASY.
start or starts
balcony
Bayou
boffo, bizarre