Words formed from any letters in bookishness plus optional blank

p -

sophies₁₂

spinose₁₁

r -

sorbose₁₀

soroses₇

sorosis₇

t -

soonest₈

soothes₉

stonish₁₀

u -

soubise₁₁

unhooks₁₅

w -

swishes₁₂

whoosis₁₂

wooshes₁₂

y -

synesis₁₀

z -

sozines₁₇