Words formed from any letters in nincompoop plus optional blank

r -

romp₁₀

room₇

s -

scop₁₀

simp₁₀

snip₈

soon₅

spic₁₀

spin₈

t -

toom₇

toon₅

topi₇

u -

unci₉

unco₉

upon₉

v -

vino₉

w -

wimp₁₃

wino₈

y -

pyin₁₀

yoni₇

z -

zinc₁₇

zoic₁₆

zoom₁₆

zoon₁₄